2019届二轮复习人教版选修七Unit1 Living wellPeriod4Grammar学案

训练目标

1. 熟练掌握动词不定式的形势与用法；

2. 能够熟练运用动词不定式各种形式。

一. 动词不定式的形式

　 　 一般式 完成式 进行式 不定式 主动 to do to have done to be doing 被动 to be done to have been done 　

e.g. He appears to be very happy.

T o catch the train, we'd better hurry to the station by taxi.

It happened to be raining when we got there.

I'm sorry to have lost your key.

He is said to have studied abroad.

These books are to be given out to the students.

This novel has been translated into many languages.

二. 动词不定式的用法

1. 作主语

e.g. To know oneself is difficult.

在很多情况下，我们通常用it作形式主语：

e.g. It is impossible to learn a foreign language without making painstaking efforts.

2. 作表语

e.g. His wish is to become an astronaut.

3. 作宾语

e.g. Father likes to listen to music in silence.

He had no choice but to sit there as usual.

John was happy to be given the job.

She is hard to get along with.

在feel, find, think, consider, make等动词后，如果宾语带有宾语补足语时，常用it 作形式宾语

e.g. I found it impossible to work out the problem without a computer.