To learn a foreign language is not easy.
注:作主语用的动词不定式常常为it替代,动词不定式(或短语)放在后面。例如:
It is not easy to learn a foreign language.
It took us three days to do the work.
动词不定式的否定形式由not+动词不定式构成. 如:
Tell him not to be late.
The policeman told the boys not to play in the street.
4) 不定式省去to的情况: 在感官动词see,watch,look at,hear, listen to,feel和使役动词make,have,let等所接的宾语中(不定式做宾语不足语),不定式应省去to。但是在被动语态中不能省。如:
Let me listen to you sing the song.
He watched his son play computer games.
I saw him run away.------He was seen to run away.
The boss make the workers work the whole night.----The workers were made to work the whole night.
5) 动词不定式和疑问词连用
动词不定式可以和疑问词what ,which, how, where, when 等连用,构成不定式短语。如:
The question is when to start.
I dont know where to go .
He showed me how to use a computer.
What to do is a big problem.
例题解析:举一反三,学的更轻松!
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2016-02-29
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