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雅思閱讀:動詞不定式用法詳解

時間:2024-10-14 18:20:27 職稱考試 我要投稿
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雅思閱讀:動詞不定式用法詳解

  動詞不定式屬于我們很早就接觸了句式,在雅思閱讀過程中我們也會經(jīng)常接觸這一雅思閱讀知識點,為此小編特將關(guān)于動詞不定式的雅思閱讀知識點分享給大家,希望對大家有所幫助,文中觀點僅供參考。

雅思閱讀:動詞不定式用法詳解

  1)動詞不定式的構(gòu)成:(以動詞“do”為例)

  主動態(tài):一般式"to do";完成式"to have done";進行式"to be doing";完成進行式“to have been doing”

  被動態(tài):一般式"to be done";完成式“ to have been done"

  否定式:not+不定式

  2)不定式的時態(tài):

 、俨欢ㄊ降囊话闶奖硎镜膭幼髋c主句謂語動詞表示的動作同時發(fā)生或之后發(fā)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.)

 、诓欢ㄊ降倪M行體表示的動作正在進行,與主句謂語動詞表示的動作同時發(fā)生。其用法主要有以下幾種情況:

  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"等動詞的被動式之后。

  He is thought/known/believed/said/supposed to be living in this area = People think/know/ believe/ say/suppose that she is living abroad.[據(jù)認為(據(jù)知,據(jù)信,據(jù)說,據(jù)猜測)她住在國外。]

  [注]“be supposed to”通常含有“應該”意思,表示一定的責任和義務,在雅思閱讀中出現(xiàn)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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