内容正文:
动词不定式
1. 不定式的形式
动词不定式
主动
被动
发生时间
一般式
to do
to be done
与谓语动作同时或几乎同时发生,或发生于谓语动作之后
完成式
to have done
to have been done
表示在谓语动词之前发生的动作
进行式
to be doing
表示正在进行的动作,与谓语动作同时发生
完成进行式
to have been doing
表示在谓语动作之前一直进行的动作
否定式
不定式前加not或never
1. My intention was to teach him a lesson.
2. Qinshihuang wanted his achievements______________(remember)forever.
秦始皇想让他的功绩被永远铭记。
3. When the teacher came in, Tom pretended to be working on a maths problem.
4. He is said to have killed five innocent people and the police is searching for him.
5. It is a good thing for him to have been criticized.
6. Ms. Chen told me______ to do it again. 陈老师告诉我,不要再那样做了。
2. 动词不定式短语是个整体
1. 及物动词(或动词短语)的不定式有自己的宾语
2. 不定式能被副词等修饰
1. It is difficult to know what the future holds.
2. To finish the task successfully, we need to work together.
3. 句法功能
1. ____________ To get there by bike will take us half an hour.
2. ____________ I hope to see you again.
3.____________ The next step is to make an outline of what you are required to write.
4.____________ Neil Armstrong was the first man to land on the moon.
5.____________ The organization was founded to raise money for the homeless.
6.____________ They taught chimpanzees to communicate with humans.
不定式作主语
1. 不定式作主语,谓语动词用________形式
To catch up with him is impossible.
To learn a foreign language well ________(take) time and great efforts.
2. it作___________,把真正的主语_______________置于句末
To look after my pets properly takes a lot of time.
_______________________________________.(用it作形式主语)
It’s a good idea to send him abroad to get higher education.
It was stupid of you to do everything she said. 完全按照她说的做,你真笨。
形容词修饰of后的人
It’s necessary for us to wear masks when going out. 出门戴口罩,对我们来说是必要的。 形容词修饰不定式所讲的事情
如何判断主语位置的it是不是形主?
⑴句尾有真主,一般为不定式,也可能是主语从句或doing(极少句型中)
⑵把真主放到it的位置上翻译,句意合理通顺
It is amazing to see so many people benefited from the program.
It is human activi