英语中动词不定式的用法PPT课件

.
11
4.动词不定式作表语
动词不定式常放在系动词（be动词）后作表 语，有时也放在其他少数连系动词如： remain, seem, sound等后。
当表语是动词不定式时，作主语的谓语动词也 只能是动词不定式，即主语和表语结构要一致 或对称。
.
12
His plan is to spend a few days in the countryside.
It will take a whole day to get there by car.
It is important to make a plan for our study.
It is impossible for me to finish the work in a week.
.
4
2. 动词不定式作宾语
2. 如果不定式作宾语而后面又有一个宾语 补足语，这时要用it作形式宾语而把这个 动词不定式放到补语后。
I feel it my duty to help you.
I once thought it impossible for us to finish the job in such a limited time.
He appears to have caught cold.
.
13
当表语是动词不定式时，作主语的谓语动词也 只能是动词不定式，即主语和表语结构要一致 或对称。
To see is to believe
当主语部分有动词实义do的某个形式时，做表语 的动词不定式可以省略to。 The only thing we can do is wait till he comes
.
7
go on to do sth.继续做另一件事
go on doing sth.接着做同一件事
After a short rest, they went on doing the work.
After finishing the homework, the students went out to play football.
.
8
regret to do sth.遗憾地做某事
regret doing sth.后悔作了某事 I regret to say that you haven’t passed the exam. I regret having told him about it
.
9
动词不定式作宾语应注意的问题
.
15
You’d better get Tom to do it. She doesn’t allow me to use her computer. The teacher told him not to be late again. He invited us to attend his birthday party.
动词不定式作宾语常用于下列及物动词后：
want, agree, decide, manage, wish, hope, ask, like, love , choose, promise, continue, plan, learn, expect, offer, prepare, refuse, pretend, attempt, intend, threaten, seek, hesitate, long, desire, fail等等。
.
16
（2）可跟省to的动词不定式作宾补的动词有： 在部分感官动词和使役动词后，如：
see, watch, notice, observe, look at, listen to, feel, make, let, have 注：help后可跟省to或带to的不定式作宾补。
.
17
The teacher had us recite the text every day. I was let to do the experiment alone.
back.
We can do nothing but wait.
.
14
5.动词不定式作宾补
常要求跟动词不定式作宾补的动词有：
（1）可接带to的不定式作宾补的动词有：
ask, get, allow, forbid, prefer, force, inspire, advise, cause, tell, order, warn, teach, permit, wish, invite, encourage等
高中英语同步辅导
Book2A Unit1 动词不定式的用法
.
By Edison 1
动词不定式
1. 作主语
2. 作宾语
1. 动词不定式的用法
3. 作定语 4. 作表语
5. 作宾补
6. 作状语
2.动词不定式的时态和语态
3. 巩固练习
.
2
1. 动词不定式作主语
动词不定式作主语，谓语动词用第三人称单数。
Was he noticed to leave the house?
动词不定式在主动语态中用省to的形式作 宾补，但在被动语态的句子中，要用带to 的形式作主语补语。
.
10
3.动词不定式作定语
动词不定式作定语，它与所修饰的名词或代 词可能是主谓关系，也可能是动宾关系。如 果是动宾关系，不定式主动表示被动。 He was the last one to leave school yesterday.
We have much homework to do everyday.
.
5
He promised to come but he hasn’t turn up yet.
The boys are longing to watch the World Cup.
.
6
动词不定式作宾语应注意的问题
1.有些动词后跟动词不定式和动名词作宾语意 义截然不同
try, go on, stop, mean, regret, remember, forget等
How to get enough money is still a question. To make a plan for our study is very important.
ຫໍສະໝຸດ Baidu
.
3
1. 动词不定式作主语
有时候为了保持句子平衡，常用it作形式主语， 放到句首，而将作真实主语的动词不定式放 到句末。