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雅思阅读:动词不定式用法详解

时间:2020-09-23 09:16:52 职称考试 我要投稿

雅思阅读:动词不定式用法详解

  动词不定式属于我们很早就接触了句式,在雅思阅读过程中我们也会经常接触这一雅思阅读知识点,为此小编特将关于动词不定式的雅思阅读知识点分享给大家,希望对大家有所帮助,文中观点仅供参考。

雅思阅读:动词不定式用法详解

  1)动词不定式的构成:(以动词“do”为例)

  主动态:一般式"to do";完成式"to have done";进行式"to be doing";完成进行式“to have been doing”

  被动态:一般式"to be done";完成式“ to have been done"

  否定式:not+不定式

  2)不定式的时态:

  ①不定式的一般式表示的动作与主句谓语动词表示的'动作同时发生或之后发生。

  He seems to know her address.(:=It seems that he knows her address.)

  I hope to see you again.(=I hope that I’11 see you again.)

  ②不定式的进行体表示的动作正在进行,与主句谓语动词表示的动作同时发生。其用法主要有以下几种情况:

  a 常用在"appear,happen,pretend,seem,hope,promise"之后。

  She pretended to be listening attentively.

  Tom appeared to be living in this area.

  b 常用在"believe,consider,suppose,think,know,report,say,understand"等动词的被动式之后。

  He is thought/known/believed/said/supposed to be living in this area = People think/know/ believe/ say/suppose that she is living abroad.[据认为(据知,据信,据说,据猜测)她住在国外。]

  [注]“be supposed to”通常含有“应该”意思,表示一定的责任和义务,在雅思阅读中出现的很多。

  You are supposed to know how to use a computer=You should know how to use a computer.

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