Infinitive with "to" Ta dùng động từ nguyên mẫu có "to" trong các trường hợp sau: 1.. Sau các tính từ: Ex: It's nice to see you again.. Sau các indefinite pronoun: Ex: I have nothing to
Trang 1Unit 1: FRIENDSHIP
Ngữ pháp của bài 1: THE INFINITIVE
I Infinitive with "to"
Ta dùng động từ nguyên mẫu có "to" trong các trường hợp sau:
1 Sau các tính từ:
Ex: It's nice to see you again
I am too pour to buy a house
He is not old enough to see that film
2 Sau các indefinite pronoun:
Ex: I have nothing to do now
I can't find a place to live
3 Sau các động từ:
- afford
- agree
- appear
- arrange
- ask
- choose
- decide
- fail
- happen
- help
- hope
- learn
- manage
- offer
- plan
- pretend
- promise
- refused
- tend
- threaten
- want
- wish
* Note:
- would like/love/ prefer + to - infinitive
- like/love/hate/dislike + to - infinitive
- like/love/hate/dislike + V - ing (hobbies, interesting)
4 Verb + O + to - infi:
- advise
- allow
- ask
- beg
- cause
- enable
- encourage
- expect
- invite
- order
- persuade
- remind
- tell
- want
- warn
5 To - infi diến tả một mục đích (= in order to = so as to)
6 To - infi as a Subject:
Ex: Tolove and to be loved is the happiest in the world
7 To - infi as a complement:
Ex: My dream is to become a docter
II Infinitive without "to":
Ta dùng động từ nguyên mẫu không "to" trong các trường hợp sau đây:
1 Sau các modal Verb:
- Can, could, may, might, should
- Need, dare
2 Sau had better, would rather:
3 Make, let s.o + bare
4 Verbs of perception:
- Hear/see/watch/notice/feel + O + bare: diễn tả hành động đã kết thúc hoặc toàn bộ hành động
- Hear/see/watch/notice/feel + O + V-ing: diễn tả hành động đang diễn ra hoặc 1 phần của hành động Ex: I saw him climb throung the window yesterday
I see smoke flying from the chimney
Trang 25 Have to do something
6 Trong các cấu trúc nhấn mạnh:
Ex: I do believe you
Unit 1: FRIENDSHIP
Exercise 1: Complete these sentences Choose an appropriate verb Sometimes more than one verb is possible.
hope, allow, want, do, promise, threaten, enter, appeal, need, become
1 We him to go to the party
2 They the kittens to go to the good homes
3 Did you the bed to be delivered or shall I collect it?
4 The police for his protectors to give him up
5 She to visit the exhibition before it ended
6 I to drive a car before the age of 18
7 It was impossible his room The door was locked
8 His ambition is the richest man in the world
9 He to stay away
10 She promised never it again
Exercise 2: There is at least one mistake in each sentence Suggest appropriate correction.
1 The let me to borrow their car while thay were on holiday
2 This card entitles to take an extra person with you free
3 Hospital workers had to make them to do with a 1.5% pay increase this year
4 Sam promised me to show me how to fish for salmon, but he never had the time
5 For years the group has been campaining an inquiry to hold into the accident
Exercise 3: Report these sentences using one of these verbs and a to-inf Use each verb one only.
agree, encourage, invite, order, promise, refuse, volunteer, warn.
1 You cant borrow the car!
He
2 You really should continue the course
He
3 I'll phone you soon
He
4 Okie, I'll come with you
He
5 Stop the car!
He
6 Would you like to go out for dinner?
He
7 Don't go out without an umbrella
He
8 I'll work late at the weeken
He