* Câu bị động: CÁCH CHUYỂN ĐỔI HÌNH THỨC ĐỘNG TỪ CỦA MỘT SỐ THÌ TENSES Simple present Present continuous Present perfect Simple past Past continuous Past perfect Simple future Future per[r]
Trang 1BÀI TẬP CHUYỂN ĐỔI CÂU
* Đổi thì quá khứ đơn sang hiện tại hoàn thành
1 S + last + V quá khứ đơn + thời gian + ago / in + mốc thời gian
S + V hiện tại hoàn thành (phủ định) + for + thời gian / since + mốc thời gian
It’s + thời gian + since + S + last + V quá khứ đơn.
The last time + S + V quá khứ đơn + was + thời gian + ago.
2 This is the first time + S + HTHT khẳng định
S + HTHT never + before
3 S + began / started + V-ing +
S + have / has + V3/-ed + for / since
-Exercise:
1 We last went to London two years ago
We
It’s
- The last time
-2 This is the first time I have visited Hanoi.
I
-3 I began learning English five years ago.
I have
-4 I last saw her in 2010
-5 I haven’t eaten this kind of food before
-6 I started working for this company a year ago
-7 I last read that book on November 20th
-8 I have never eaten with knives and folks before
-9 It is 10 years since I last visited Dalat
-10 She hasn’t phoned home for two weeks
-11 Mr Brown bought this car five years ago
A Mr Brown started to buy this car five years ago
B It has been five years when Mr Brown bought this car
C Mr Brown has had this car for five years
D It is five years ago since Mr Brown bought this car
12 I haven’t enjoyed myself so much for years
A It’s years since I enjoyed myself so much
B It’s years since I have enjoyed myself so much
C It was years since I had enjoyed myself so much
D It has been years since I have enjoyed myself so much
13 We started working here three years ago
A We worked here for three years
B We have no longer worked here for three years
C We have worked here for three years
D We will work here in three years
Trang 214 It’s a long time since we last went to the cinema.
A We have been to the cinema for a long time
B We haven’t been to the cinema for a long time
C We don’t go to the cinema as we used to
D We wish we went to the cinema now
15 I haven’t finished this book yet
A I’m still reading this book
B I have read this book before
C The book I’m reading hasn’t finished
D I will read this book some day
16 He last had his eyes tested ten months ago
A He hasn’t had his eyes tested for ten months
B He had not tested his eyes for ten months then
C He had tested his eyes ten months before
D He didn’t have any test on his eyes in ten months
* Câu bị động:
CÁCH CHUYỂN ĐỔI HÌNH THỨC ĐỘNG TỪ CỦA MỘT SỐ THÌ
Present continuous Am / is / are + V-ing Am / is / are + being + V3/-ed
Past continuous Was / were + V-ing Was / were + being + V3/-ed
Future perfect Will/ shall + have + P.P Will / shall + have + been + V3/-ed
Modal verbs Can/ could/ shall / might + V1 Can/ could/ shall / might + be +V3/-ed
Note:
- Trạng từ chỉ nơi chốn đứng trước by + O; trạng từ chỉ thời gian đứng sau by + O
- Nếu chủ từ trong câu chủ động là từ phủ định thì đổi sang câu bị động phủ định
- Các chủ từ someone, anyone, people, he, she, they … trong câu chủ động thì có thể bỏ “by + O” trong câu bị động
Exercise: Change the following sentences into passive voice
1 Sam killed a lion last week
2 You must hand in your report before the end of this month
3 I had just finished the job when the factory closed
4 No one has opened that box for the past hundred years
5 Are you going to mail these letters soon?
6 He should have finished the report yesterday
7 Nobody has answered my question properly
_
8 They are going to build a new school in this area
_
Trang 39 We have bought a lot of vegetables
10 He has to clean the house before having lunch