其否定形式为：
V +sb /sth not /never +to do She told me not to give the book to him. I asked Paul to carry the box.
1.Don’t ask Jim ___(go) swimming with us, because his mother won’t allow him ____(do) so. 2. Does you mother like you ____a doctor? A. being B. to be C. are D. become 3. My teacher always tells me ____ (study) hard. 4. I don’t want you ____ (help) me. 5. She’d like me ____ (join) them.
5. My little son is able _____ (read) some words. 6. I’ll try my best _____ (help) you. 7. She would like _____ (become) beautiful.
4.Kangkang helped us to book the train tickets. (做宾语补足语) 动词不定式作宾语补足语,常见的动词有 tell , ask , want , would like , wish , teach , help , order ,invite, get, allow, send, lead 等.常构成下面的句式： V + sb /sth + to do
of It’s kind ______you to help me
You are kind to help me.
1. It’s very nice of them __________(send) me the flowers. 2. ____ (become) a teacher is my dream.
6. I wish you ____ (have) a good time. My best friends teach me ____ (swim). 8. Her boyfriend often invites her ____ (have) dinner. 9. My mother always gets my father ____ (do) housework. 10. I order you ____ (wash) your hands.
best to do 等.
They decided to try again. The little boy wanted to get to school before 8 o’clock.
1.My friends want ________(book) some tickets to the movie for us. 2. My parents decide _____ (give) me more money. 3. He plans _____ (go) to Beijing for a holiday. 4. The boy hopes ______ (pass) the English exam.
(做主语)
不定式做主语时,常用代词it 来代替不定式结构, 这时 it 被称为形式主语,而作为句子真正主语的不 定式则被后置.往往放v.和adj.之后. e.g. To learn English well is not easy.
= It’s not easy to learn English well.
接动词不定式作宾语常见的几个动词是want , plan , hope , decide , begin , start. need , wait ,would like .hate.refuse.wish . prefer , learn.try.like .agree ,fail. be able to do,do one’s
3. It’s very important to learn English well.(同义句转换) _____ _____ English well ______ very important. 4.It’s important _____Chinese well.
A.to learn
C. learning
1.My job is _________computers.
A.to selling C. to sell B. sell D. sold
2. Her hobby is ______ (play) football.
3.I want to make a hotel reservation.
(做宾语) 宾语表示主语所做动作的承受者.一般跟在及物 动词后面.
不定式的构成:
to+动词原形 ，其否定形式是 “not/never to do”/not do.
不定式可以带宾语或状语构成不
定式短语，没有句法功能
1.It’s very common to raise money in Canadian and American school.
不定式的逻辑主语有时用“of/for+名词 或代词宾格”构成。
It’s + adj for/of sb to do sth.
of/for?
for me to work It’s difficult_____ out the maths problem.
.
nice, kind, good, silly, clever, wrong, honesy… easy hard difficult interesting exciting boring …….
B. learn
D. learns
2. The best way to raise money is to sell newspapers. (做表语)
表语是用来表示主语的身份,状态和特征 等.可与系动词构成系表结构.
Her wish is to study in Ji Yan Middle school. My job is to clean the streets.