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小學英語語法知識點:省to 的動詞不定式

來源:網絡資源 文章作者:奧數網整理 2018-11-13 18:36:32

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小學英語語法知識點:省to 的動詞不定式

  1) 情態動詞 ( 除ought 外,ought to):

  2) 使役動詞 let, have, make:

  3) 感官動詞 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后作賓補,省略to。

  注意:在被動語態中則to 不能省掉。

  I saw him dance.

  =He was seen to dance.

  The boss made them work the whole night.

  =They were made to work the whole night.

  4) would rather,had better:

  5) Why… / why not…:

  6) help 可帶to,也可不帶to, help sb (to) do sth:

  7) but和except:but前是動詞do時,后面出現的動詞用不帶to的動詞不定式。

  8) 由and, or和than連接的兩個不定式,第二個to 可以省去:

  9) 通常在discover, imagine, suppose, think, understand等詞后,可以省去to be:

  He is supposed (to be) nice.

  他應該是個好人。

  舉例:

  He wants to move to France and marry the girl.

  He wants to do nothing but go out.

  比較:

  He wants to do nothing but go out.

  He wants to believe anything but to take the medicine.

  典型例題

  1) I usually go there by train.  Why not ___ by boat for a change?

  A. to try going  B. trying to go  C. to try and go  D. try going

  答案:D. why not 后面接不帶to 的不定式,因此選D。

  2)Paul doesn‘t have to be made ___. He always works hard.

  A. learn  B. to learn  C. learned  D. learning

  答案:B. make后接不帶to 的動詞不定式,當其用于被動時,to 不可省略。

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