初中英语动词不定式的用法

2017-12-07 16:39:29来源:网络

  动词不定式的用法都有哪些呢?新东方在线中考网整理了《初中英语动词不定式的用法》,供同学们参考。

  点击下载中考英语语法动词不定式10大考点解析 

  动词不定式定义

  动词不定式 to do没有人称和数的变化,在句中不能独立作谓语,但可以和助动词或情态动词构成谓语,又可以在句子中作宾语、宾语补足语、状语、定语、主语、表语等。但它毕竟是动词,因此,具有动词的许多特点,如它可以有自己的宾语或状语构成不定式短语。

  动词不定式的用法

  1.作主语。 如:

  To learn English is very important.

  但实际上不定式作主语常用 it来作形式主语,而将不定式移至谓语动词后作真正的主语。

  如上句可表达为:

  It's very important to learn English.

  2.作表语。 如:

  My idea is to ring him up at once.

  3.作宾语。 如:

  I have decided to go to Binjiang Primary School.

  4.作宾语补足语。

  a. ask, want, teach, tell, know, would like, allow等动词后面接动词不定式作宾语补足语。

  如: The policemen asked him to get off the bus.

  b. hear, see, look at, feel, watch, notice, listen to等动词后接不带to的动词不定式作宾语补足语。

  如: We often see Miss Li clean the classroom.

  c. let, make, have这些使役动词后接不带to的动词不定式作宾语补足语。但在被动语态中这些不带to的都须带上to。

  如: In those days the bosses often made the workers work day and night.

  d.动词help接动词不定式作宾语补足语,可带to也可不带to。

  如: Can you help me (to) carry the heavy bag?

  5.作定语。

  a.与被修饰词有动宾关系。如:I have something important to tell you.但如果不定式动词为不及物动词,后面的介词千万不要省略。

  如: Maybe they have three rooms to live in.

  b.与被修饰词有主谓关系。

  如: Mr Liang is always the first to come and the last to leave.


本文关键字: 初中英语 动词不定式

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