文档介绍：Lecture Six
动词不定式
本节内容
不定式的时态
不定式的用法
其他
不定式的时态
时态\语态
主动态
被动态
一般式
to write
to be written
进行式
to be writing
完成式
to have written
to have been written
完成进行式
to have been writing
一般式:动词不定式一般式表示的动作发生在谓语动词之后,有时表示同时发生。如:
I hope to e a university student this year.(to e发生在hope之后)
We often hear Dick play the piano in the next room.(play和hear同时发生)
完成式:表示的动作发生在谓语动词所表示的动作之前。如:
I'm sorry to have kept you waiting.
This machine is said to have been tested.
据说已经对这台机器进行了实验。
The test was known to have been going on for three years.
据悉这项实验已进行了三年。
在plan,hope,expect, mean, intend等动词过去时的后边用完成式的不定式动词,则表示过去没有实现的愿望、期待或计划等,“本希望/计划/想/打算……”。
We planed to have made this experiment yesterday.
我们本来计划昨天做这个实验。(实际上昨天没有做这个实验。)
I meant to have telephoned, but I forgot.
=I had meant to telephone…
【即学即练】
一、用括号中动词的适当形式填空。
1. Robert is said (study) abroad, but I don’t know which country he studies in.
2. The workers do nothing but (drink) tea and talk to each other.
3. Due to the heavy rain and flooding, ten million people have been forced (leave) their homes.
Key: 1. to have studied 2. drink 3. to leave
1. 史密斯先生警告他的女儿酒后绝不能驾车。
2. 除了往回走外,我们别无选择。
3. 据说,这个城市已发展成了一个现代艺术中心。
Mr. Smith warned his daughter never to drive after drinking.
We had no choice but to turn back. / We could do nothing but turn back.
The city is said to have already developed into a modern art center.
二、使用不定式的适当形式翻译句子。