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[分享] 小学英语语法之省to

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发表于 2019-10-9 11:00:39 | 显示全部楼层 |阅读模式

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  下面与大家分享“小学英语语法知识点:省to的动词不定式”。更多精彩尽情关注北京新东方的小学英语课程。
  
  1)情态动词(除ought外,ought to):
  
  2)使役动词let,have,make:
  
  3)感官动词 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后作宾补,省略to。
  
  注意:在被动语态中则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 可带to,也可不带to, help sb (to) do sth:
  
  7) but和except:but前是动词do时,后面出现的动词用不带to的动词不定式。
  
  8) 由and, or和than连接的两个不定式,第二个to 可以省去:
  
  9) 通常在discover, imagine, suppose, think, understand等词后,可以省去to be:
  
  He is supposed (to be) nice.
  
  他应该是个好人。
  
  举例:
  
  He wants to move to France and marry the girl.
  
  He wants to do nothing but go out.
  
  比较:
  
  He wants to do nothing but go out.
  
  He wants to believe anything but to take the medicine.
  
  典型例题
  
  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 后面接不带to 的不定式,因此选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后接不带to的动词不定式,当其用于被动时,to不可省略。
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