Đây là hệ thống Bài tập ngữ pháp bám sát vào nội dung sách giáo khoa Tiếng anh 12 - chương trình chuẩn từ Unit 1-8 định dạng Microsoft Office Word, giúp giáo viên và học sinh rất dễ dàng sử dụng và copy. Cấu trúc của tài liệu gồm bài tập ngữ pháp Trắc nghiệm và tự luận đủ dạy (thêm) cho suốt HK1 (2 tiết/ 1 tuần).Hot!!!!!!!!!
Trang 1@ UNITS 1 & 2: VERB TENSES
A Choose the best answer among A, B, C or D to complete each sentence:
1 This is the first time he such a beautiful city
A visits B visited C is visiting D has visited
2 She ………… a new pair of shoes yesterday ……… you ……… them?
A bought / Do / like B buys / Do / like
C bought / Did / liked D bought / Don’t / like
3 Ian Flemming … … as a stockbroker before the Second World War ….…
A worked / started B had worked / started
C have worked / starts D all are incorrect
4 Yesterday Tim ……… late because he …………
A was / had been shopping B was / have been shopping
C was / shopped D was / was shopping
5 He stopped for a rest after he for two hours
A walked B had walked C would walk D have walked
6 I'll go to bed as soon as I the news
A have heard B will hear C will have D am hearing
7 Dung at my house every night this week
A has been eaten B has eating C is being eating D has been eating
8 Since he a new car, he to work every day
A bought / drives B bought / will drive
C has bought / has been driving D bought / has been driving
9 While I through my drawers, I these old love letters
A went / found B went / had found
C was going / found D is going / find
10 The children by the time we get home
A will sleep B will be sleeping C are sleeping D sleep
11 My sister ……… football, but I ………… it
Trang 2A isn’t liking / love B doesn’t like / love
C didn’t like / loved D doesn’t likes / love
12 My wife and I to Portugal last winter to see what that was like
A had been B have been C went D will go
13 Physics my favorite subject when I was at school
14 How many times this film so far? - A few times
A have you seen B did you see C were you seeing D had you seen
15 I him recently
16 I along the river at half past eight tomorrow morning
A will drive B will be driving C drive D am driving
17 How since we school?
A are you / left B have you been / have left
C were you / left D have you been / left
18 Napoleon the West Indian island of Santo Domingo in 1801
A attacked B is attacking C has attacked D attacking
19 The boy …… two full hours on his homework yesterday
A has spent B have spended C spent D has spended
20 "Would you like to go to the cinema tomorrow?" "Sure By then I my exam."
A have finish B will finished C finished D will have finished
21 This is the first film he the experiment by himself
A has done B would do C does D did
22 As soon as they me, I shall contact you
A phone B will phone C phoned D are phoning
23 They in London for six years
A have lived B lived C has lived D has been living
Trang 324 Harvesting has started earlier than usual It yet.
A hasn’t finished B didn’t finish C hadn’t finished D isn’t finishing
25 She the clothes when suddenly it began to rain
A washes B washed C has washed D was washing
26 "Do you think Betty speaks Chinese very fluently?” "I think so She it since she was in primary school.”
A has been studying B has studying C is studying D had studying
27 I missed the bus It by the time I arrived at the bus station
A went B was going C had gone D has gone
28 The phone rang while my mother dinner
A is cooking B was cooking C has cooked D has been cooked
29 His family loves this house It the family home ever since his
grandparents built it 30 years ago
30 Chris the office when Kate arrived.
A was leaving B has left C should leave D leaves
31 It’s an hour since he , so he must be at the office now
A is leaving B was leaving C has left D left
32 He telephoned while I dinner
A am having B had C have had D was having
33 It’s nearly two years since I last to Dalat
A have been going B have gone C went D had gone
34 It a long time since she last saw me
35 We will wait until they their work
A will finish B will have finished C have finished D finished
36 He …… when I arrived.
A was sleeping B has slept C should sleep D sleeps
Trang 437 By half past ten tomorrow morning I along the motorway.
A will drive B am driving C drive D will be driving
38 Everything is going well We any problems so far
A didn’t have B don’t have C haven’t had D haven’t been having
39 My father badminton three times a week
A is playing usually B is usually playing
C usually plays D plays usually
40 Kite has lost her ID card again It’s the second time this
A has happened B happens C happened D had happened
41 We missed the ferry It by the time we arrived at the pier
A went B was going C had gone D has gone
42 "How long here?" "Exactly four years today I'm thinking of changing my job next year."
A are you working B have you worked
C did you work D do you work
43 They’re close friends They each other for a long time
A know B have known C have been knowing D knew
44 When we first came here, they this bridge yet
A hadn't built B haven't built C had built D have built
45 .a villa when they were living in London?
A Had they B Did they have C Were they having D Have they had
46 We 2,000 English words by the end of this year
A will learn B will be learning
C will have learnt D will have been learnt
47 This is the second time I such a difficult exercise
48 Come and see me after you your report
A finish B will finish C had finished D having finished
Trang 549 We're late, I expect the film by the time we get to the theatre.
A have started B will start C will be starting D will have started
50 The sun in the East Look! The sun
A rose / is rising B rises / was rising
C rises / is rising D rose / was rising
51 Nam with his parents at the moment though he his own flat
A is staying / had B is staying / has had
C is staying / has D was staying / has
52 How many cigarettes you today?
A have / been smoked B have / been smoking
C had / smoked D have / smoked
53 He a wallet on a lonely street in Montreal last Monday
54 The husband ……… for Hong Kong as soon as he ………… about her wife’s accident
A had left / was informed B has left / was informed
C leaves / has been informed D left / had been informed
55 “I’ll come to give you the package at eight.” “That will be too late because
we by that hour.”
A have gone B will have gone C will go D went
56 Mr Nam is our French teacher He French since he
Ho Chi Minh city in 1990
A has been taught / left B has taught / left
C has taught / has left D had taught / left
57 While Mary television last night, a man she the previous day suddenly on the screen
A was watching / has met / appeared B was watching / had met / had appeared
C was watching / had met / appeared D were watching / had met / appeared
Trang 658 “Hurry up What is taking you so long?” - “I … for an important phone call.”
A wait B will wait C am waiting D have waited
59 Robert is going to be famous some day He ………… in three movies
A appeared B had appeared C has appeared D has been appearing
60 “Hello, Alice? This is Jeff How are you?”
“Jeff? I……… about you when the phone rang.”
A was just thinking B just thought
C have been thinking D have just been thinking
61 What ……… about the new tax law?
A are you thinking B do you think
C have you thought D have you been thinking
62 “When is Mr Brown planning to retire?”- “He………… here for a long time”
A worked B is working C has been working D had been working
63 Next week when there ………… a full moon, the ocean tides will be higher
A is being B is C will be D will have been
64 While I ………… TV last night, Tom telephoned me
A watch B watched C was watching D am watching
65 Tom was disappointed that most of the guests…….when he ……at the party
A left/had arrived B left/ arrivedC had left/had arrived D had left/ arrived
66 My brother ……… while he ……… his bicycle and hurt himself
A fell/ was riding B was falling /rode
C had fallen/rode D had fallen/was riding
67 Now he………… a book about English I don’t think he will finish it
A writes B has written C wrote D is writing
68 What ……… you………… tomorrow morning?
A do/do B are/do C are/going do D are/going to do
69 I………… as soon as you come back
A went B shall go C have gone D am going
Trang 770 He found his book this morning, but now he………his pen.
A loses B lost C has lost D had lost
71 I……… you were here
A don’t know B not know C didn’t know D wasn’t know
72 You may leave the classroom when you ……… writing
A will finish B are finishing C have finished D had finished
73 I’m sure I……… her four years ago
A have seen B saw C had seen D will see
74 ………a noise just then?
A Have you heard B Were you hearing
C Did you hear D Are you hearing
75 The foreign guests ……… here for almost a week
A have be B have been C will be D has been
76 She ………….her lessons from seven to nine last night
A did B had done C was doing D has been doing
77 Columbus………….America more than 400 years ago
A discovered B has discovered C had discovered D he has gone
78 He fell down when he ……… …towards the church
A run B runs C was running D had run
79 We …… …….there when our father died
A still lived B lived still C was still living D were still living
80 By Christmas, I…….… for you for 6 months
A shall have been working B shall work
C have been working D shall be working
B Put the verbs in parentheses into the correct tense:
1 Be quiet! The baby (sleep) … ………
2 We seldom (eat) ……… before 6:30
Trang 83 Look! The man (run) ………… ……… the train He (want) ……… to catch it.
4 It (be) ……… often hot in summer
5 The bell (ring) ……… while Tom (take) ……… a bath
6 I (do) ……… an exercise on the present tense at the moment
7 Daisy (cook) ……… some food in the kitchen at present She always (cook) ……… in the morning
8 It (rain) ……… much in summer It (rain) ……… now
9 I (see) ……… her last year
10 What ……… you (do) ……… yesterday?
11 ……… you (watch) ……… TV last night?
12 She (be) ……… born in 1980
13 They (pay) ……… a visit to us last summer
14 He (start) ………….… learning English when he (be) ………… a child
15 She (spend)……….five days paiting her house two weeks ago
16 Listen! Someone (knock) ……… at the door
17 Up to the present, we (write) ……… almost every lesson in the book
18 That house (belong) ……… to Mr Green
19 Rivers usually (flow) ……… to the sea
20 I (move) ……… to Ho Chi Minh city 3 years ago to learn English
21 When I (arrive) ……… this house, he still (sleep) ………
22 The light (go out) ……… when we (have) ……… dinner
23 While my father (read) ……… the newspaper, I (learn)
……… my lesson and my sister (do) ……… her homework
24 I (be) ………… tired because I (work) ……… all day yesterday
25 While I (walk) ……… along the street, I (see) ……….an old friend
26 How long ……….you (study) ……… English? For 5 years
27 I (wait) ……… for two hours, but she (not come) ……… yet
Trang 928 They (live) ……… in Ho Chi Minh City since 1975.
29 He (not be) ……… here since Chrismas, I wonder where he (live)
……… since then
30 I (see) ……… that film several times because I like it
31 Mr Green (teach) ……… English in this school since he (graduate)
……… from the university in 1986
32 They (go) ……… home after they (finish) ……… their work
33 When we came to the stadium, the match (already begin)………
34 It was the first time I (ever see) ……… such a beautiful girl
35 What ……… you (do) ……… at 6 p.m yesterday?
36 Before Alice (go) ……… to sleep, she (call) ……… her family
37 We will go out when the rain (stop) ………
38 I (stay) ……… here until he (answer) ……… me
39 My mother (come) ……… to stay with us next weekend
40 He (work) ……… on the report at this time tomorrow
41 I’m sure they (complete) ……… the new road by June
42 We (move) ……… to our new house at Christmas this year
43 By the end of December, John (work) ……… as a reporter for 10 years
44 I (give) ……… him your message when I (see) ……… him
45 The teacher hopes we (pass) ……… our exam
46 ………… you (finish) ……… your work by 9 tonight?
47 Don’t call him at 2:30 p.m He (interview) ……… ……… job applicants at that time
48 Our English teacher (explain) ……….………… that lesson to us tomorrow
49 When I (see) ……… Mr Pike tomorrow, I (remind) ……… him of that
50 What ……… you (do) ……… at 7 p.m next Sunday?
- I (practise) ……… my English lesson then
Trang 10C Choose the underlined part among A, B, C or D that needs correcting.
1 She seemed quietly after she read her friend’s letter
Trang 1113 He was drinking a cup of coffee when the telephone rings.
@ UNIT 3: REPORTED SPEECH
A Choose one sentence that best rewrites the sentence given:
1 “Thank you very much for your help, John,” said Daisy
A Daisy thanked John for helping her.
B Daisy wanted John to help her and said thanks.
C Daisy told John to help her
D Daisy would like John to help her.
2 “Whose composition haven’t we heard yet?”
The teacher asked us ………
Trang 12A whose composition we haven’t heard yet.
B whose composition we hadn’t heard yet.
C whose composition hadn’t we heard yet.
D whose composition we hadn’t heard yet?
3 “You look beautiful in this dress.” Last night she told me ………
A you look beautiful in that dress B you looked beautiful in that dress.
C I’ll look beautiful in this dress D I looked beautiful in that dress.
4 “Hi, Bob Did you take the job?” Bob’s friend asked him ……….
A did he take the job B whether you took the job.
C if he had taken the job D had he taken the job.
5 “How many people are there in your family?” The interview asked me ………
A how many people there were in your family.
B how many people were there in your family.
C how many people were there in my family.
D how many people there were in my family.
6 “Don’t stay up late You should go to bed early,” Peter told me
A Peter told me not to stay up late and promised to go to bed early.
B Peter promised not to stay up late and told me to go to bed early.
C Peter told me do not to stay up late and advised me to go to bed early.
D Peter told me not to stay up late and advised me to go to bed early.
7 ‘I bought these books last week”
A He said he bought those books last week.
B He said he had bought those books last week.
C He said he had bought those books the week before.
D He said he bought those books the week before.
8 “Did they tell you when they left?” she said to me
A She asked me if they told me when they left.
B She asked me if they told me when they had left.
Trang 13C She asked me if they had told me when they left
D She asked me if they had told me when they had left.
9 Rosa asked Jose, "Have you been studying English very long?"
A Rosa asked Jose when doyou study English
B Rosa asked Jose if he had studied English.
C Rosa asked Jose if he had been studying English very long.
D Rosa asked Jose if he was studying English very long.
10 Samara asked me, "May I borrow your English dictionary?"
A Samara asked me if she may borrow my English dictionary
B Samara asked me if she might borrow my English dictionary.
C Samara asked me if I could borrow her English dictionary.
D Samara asked me if I had borrowed her English dictionary.
11 The teacher said, "Study chapters 1-4 for the final test!"
A The teacher told us to study chapters 1-4 for the final test.
B The teacher asked us if we studied chapters 1-4 for the final test.
C The teacher said us to study chapters 1-4 for the final test.
D The teacher asked to us to study chapters 1-4 for the final test.
12."Hello, Mary!" Peter said '
A Peter said hello Mary B Peter said Mary hello.
C Peter told Mary hello D Peter greeted Mary.
14 My teacher said to me, "Don't give up hope."
A My teacher told me that don't give up hope.
B My teacher told me don't give up hope.
C My teacher told me whether not give up hope.
D My teacher told me not to give up hope.
15 He said to me, "Shut this door, don’t lock it" He told me ………
A shut this door, don’t to lock it B to shut that door, don’t lock it
C to shut that door, not to lock it D shut this door, not lock it.
Trang 1416 “I don’t like my job very much,” Sarah said to Peter.
A Sarah told Peter that I don’t like my job very much
B Sarah told Peter that I didn’t like my job very much.
C Sarah told Peter that she didn’t like my job very much.
D Sarah told Peter that she didn’t like her job very much.
17 “Why didn’t you make an appointment earlier?” the doctor asked
A The doctor asked her why hadn’t she made an appointment earlier.
B The doctor asked her why she hadn’t made an appointment earlier.
C The doctor asked her why she didn’t make an appointment earlier.
D The doctor asked her why she had made an appointment earlier.
18 Caroline said, “What time will the meeting end?”
A Caroline asked me what time the meeting would end.
B Caroline said, “What time would the meeting end?”
C Caroline said, “What time the meeting will end?”
D Caroline said, “What time the meeting would end?”
19 “It is you that stole my purse,” Mrs Pike said to the young man
A Mrs Pike told the young man that it was you that stole her purse.
B Mrs Pike denied the young man of stealing her purse.
C Mrs Pike accused the young man of stealing her purse.
D Mrs Pike asked the young man to steal her purse.
20 “You mustn’t get into the area,” the policeman said
A The policeman stopped them from getting into the area.
B The policeman denied from getting into the area.
C The policeman wanted them to get into the area.
D The policeman suggested getting into the area.
21 “I will bring you some food.” He said to me
A He invited me to eat some food B He offered to bring me some food
C He told me to bring some food D He advise me to bring some food
Trang 1522 “Go on, Susan! Apply for the job,” the father said.
A The father invited Susan to apply for the job.
B The father denied applying for the job.
C The father encouraged Susan to apply for the job.
D The father wanted Susan not to apply for the job.
23 “Don’t be late again!” she said
A She promised me not to be late again B She said me not to be late again.
C She asked me not to be late again D She agreed not to be late again.
24 “Remember to lock the door!” my mother said
A My mother reminded me remembering to lock the door.
B My mother reminded me to remember to lock the door.
C My mother reminded me locking the door.
D My mother reminded me to lock the door.
25 “If I were you, I would help him,” he said
A He said me to help him C He wanted to help him
B He advised me to help him D He promised to help him
26 “Let me open the door for you,” she said to me
A She offered to open the door for me B She offered to open the door for you.
C She invited to open the door for me D She invited to open the door for you.
27 She said “I’m sorry I didn’t reply to the letter.”
A She apologized for didn’t reply to the letter.
B She apologized for not to reply to the letter.
C She apologized for not to replying to the letter.
D She apologized for not replying to the letter.
28."How beautiful is the dress you have just bought!" Peter said to Mary
A Peter promised to buy Mary a beautiful dress.
B Peter said thanks to Mary for her beautiful dress.
C Peter complimented Mary on her beautiful dress.
Trang 16D Peter asked Mary how she had just bought her beautiful dress.
29 “What are you doing?" she asked me
A She asked me what I am doing B She asked me what you were doing.
C She asked me what was I doing D She asked me what I was doing.
30 She said: “How much does this book cost?"
A She asked how much this book cost
B She wanted to know how much that book cost.
C She wanted to know how much the book was cost
D She wondered how much did that book cost.
B Change these sentences into Reported Speech.
1 He said to me: “Did you stay at home or go out last night?”
Trang 1710 “Don’t forget to send your parents my regards”, she said to me.
Trang 18@ UNIT 4: PASSIVE VOICE
A Choose one sentence that best rewrites the sentence given:
1 No one has used that door for 20 years
A That door has been used for 20 years.
B That door has been not used for 20 years.
C That door has not been used for 20 years.
D That has been used by none of them for 20 years.
2 To protect wild-life, many countries have passed laws restricting hunting andfishing
A To protect wild-life, laws have been passed restricting hunting and fishing.
B To protect wild-life, laws restricting have been passed hunting and fishing.
Trang 19C To protect wild-life, laws restricting hunting and fishing have been passed by
many countries
D To protect wild-life, many countries have been passed laws restricting hunting
and fishing
3 No one has signed this cheque
A This cheque had not been signed B This cheque has been signed by no one.
C This cheque hasn’t been signed D This cheque has was signed by no one.
4 Surgeons use lasers as miraculously accurate scalpels
A Lasers were used as miraculously accurate scalpels by surgeons.
B Lasers are used as miraculously accurate scalpels by surgeons.
C Lasers uses as miraculously accurate scalpels by surgeons.
D Lasers used as miraculously accurate scalpels by surgeons.
5 His parents made him study for his exams
A He was made to study for his exams by his parents.
B He was made study for his exams by his parents.
C He was obliged to study for his exams by his parents.
D He is made to study for his exams by his parents.
6 No one has ever done this job better
A This job has ever been doing better B This job has been ever doing better.
C This job has never been done better D This job has never been doing better.
7 They will build a new hospital in our town
A A new hospital will be built in our town.
B A new hospital is built in our town.
C Our town will build a new hospital
D Our town will be built a new hospital.
8 People speak English in most countries
A People speaking English in a countries
B People spoken English in two countries.
Trang 20C English is spoken in most countries
D Speaking people in most countries English.
9 People heard Mary sing a song
A Mary is heard to sing a song B Mary was heard to sing a song.
C Mary is asked to sing a song D Mary was asked to sing a song.
10 They are colleting money for the poor
A The poor are collecting for money B Money is collected for the poor
C Money is being collected for the poor D The poor are collected for money 11.
Someone was cleaning the room when I arrived.
A The room was being cleaned when I arrived.
B The room was cleaned when I arrived.
C The room was cleaning when I arrived.
D The room cleaned when I arrived.
12 They have changed the date of the meeting
A The date of the meeting have been changed.
B The date of the meeting has been changed.
C The meeting have been changed the date.
D The date of the meeting has changed by they.
13 They were decorating the room when I came
A The room were being decorated when I came.
B The room was been decorated when I came.
C The room had been decorated when I came.
D The room was being decorated when I came.
14 He killed a bear with his own hand
A A bear was killed with his own hand B A bear with his own hand was killed.
C A bear is killed with his own hand D A bear is killed with his own hand.
15 Tomorrow he will teach us how to play the guitar
A Tomorrow we shall be taught playing the guitar.
Trang 21B Tomorrow we shall be taught him how to play the guitar.
C Tomorrow we shall taught how to play the guitar.
D Tomorrow we shall be taught how to play the guitar.
16 The train had left the station before they arrived
A The station was left by the train before they arrived.
B The station had been left before they arrived by the train.
C The station had been left by the train before they arrived.
D The station had been left by the train before they were arrived.
17 They promised us some holidays
A Some holidays were promised to us B Some holidays promised to us.
C Some holidays are promised to us D We was promised some holidays.
18 They thought that the man was still living
A The man thought he was still living.
C The man is thought to be still living.
B The man was thought to be still living.
D It thought the man to be still living.
19 They believed that she won the competition
A She was believed to win the competition.
B It was believed to win the competition.
C It was believed her to win the competition.
D She believed them to win the competition.
20 People know that English is an international language
A English is known to be an international language.
B It is known that English is an international language.
C It is known that English to be an international language.
D A & B are correct.
21 Did Shakespeare write this play?
A Did this play be written by Shakespeare?
Trang 22B Was this play written by Shakespeare?
C This play was written by Shakespeare.
D Did this play Shakespeare write?
22 Does she water the flowers every day?
A Are the flowers watered every day by her?
B Is the flowers watered by her every day?
C Does the flowers watered every day by her?
D Are the flowers watered by her every day?
23 Has somebody decorated my bedroom?
A Have my bedroom been decorated? B Has my bedroom decorated?
C Has my bedroom been decorated? D Has the bedroom of me been decorated?
24 Did they cancel all the flights because of fog?
A Were all the flights done canceled because of fog?
B Was all the flights canceled because of fog?
C Did fog canceled all the flights by them?
D Were all the flights canceled because of fog?
25 Did anything disturb you in the night?
A Were you disturbed by anything in the night?
B Were you disturbed in the night by anything?
C Were you being disturbed in the night?
D Were you in the night disturbed by anything?
26 Did they accuse me of stealing the money?
A Was I accused of stealing the money?
B Was I accused of being stolen the money?
C Did I accused of stealing the money?
D Was me of stealing accused the money?
27 Are they building a new ring-road round the city?
A Is a new ring-road round the city built?
Trang 23B Is new ring-road round the city being built?
C Is a new ring-road round the city being built?
D Is a new ring-road being built round the city?
28 Has anyone ever taught you how to behave?
A Have you ever how to behave been taught?
B Have you ever been taughted how to behave?
C Have you been ever taught how to behave?
D Have you ever been taught how to behave?
29 Did your teacher give you this dictionary?
A Are you given this dictionary by your teacher?
B Were you given this dictionary by your teacher?
C Were you given by your teacher this dictionary?
D Was this dictionary given by your teacher to you?
30 Are they going to demolish these old houses?
A Are these old houses being demolish by them?
B Are these old houses going to be demolished?
C Are they going to be demolished these old houses?
D Are they demolishing these old houses?
31 Why did they postpone the meeting?
A Why did the meeting postponed?
B Why was the meeting postponed?
C Do you know why was the meeting postponed?
D Do you know if why the meeting was postponed?
32 What time does he deliver the letter?
A What time is the letter delivered by him?
B What time does the letter delivered by him?
C What time is the letter done deliver by him?
D None is correct
Trang 2433 How did they break your leg?
A How did you have your leg broken? B How were you had your leg broken?
C How did you got your leg broken? D How was your leg broken?
34 Where do you change the money into dollars?
A Where does the money into dollars changed?
B Where is the money into dollars changed?
C Where is the money changed into dollars?
D Where does the money changed into dollars.
35 How often do they paint their house?
A How often are their house painted? B How often are their house done paint?
C How often is their house painted? D How often does their house painted?
36 When will you do the work?
A When will the work done by you? B When will the work be done by your?
C When will the work be done? D When will be the work done by you?
37 What do the farmers often carry to the market place?
A What is often carried to the market place by the farmers?
B What is often carried by the farmers to the market place?
C What often is carried by the farmers to the market place?
D What is often carry to the market place by the farmers?
38 What languages do they speak in Switzerland?
A What languages are they spoken in Switzerland?
B What languages are spoken in Switzerland?
C What languages do they spoken in Switzerland?
D What languages are done to speak in Switzerland?
39 Which applicant will you interview first?
A Which applicant will be first interviewed by you?
B Which applicant will be interviewed by you first?
C Which applicant will be interviewed first by you?
Trang 25D Which applicant will interviewed first by you?
40 What can they do first?
A What can be done first? B What can be first done?
C What can first be done? D What first can be done?
B Change the sentences into the passive voice:
1 Someone had invented electric lights before I was born