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中考英语词组辨析

时间:2021-03-19 18:54:17 中考 我要投稿

中考英语词组辨析

  中考英语词组辨析:used to do sth/ be used to doing sth

中考英语词组辨析

  Ⅰ. Used to do sth.“过去常常做某事”(现在不做了),只用于过去时态。如:

  ① He used to get up early.过去他常早起。(现在已不这样了)

  ② Her mother used to go shopping on Fridays, but now she does it on Sunday. 她母亲过去常在周五去购物,但现在她周日去了。

  Ⅱ. Be used to (doing)sth. “习惯于做某事”,be used 是被动语态结构。可用于现在、过去、将来多种时态。Be可用get, become等代替。如:

  ① He will be / has been used to getting up early. 他将会/ 已经习惯于早起。

  Ⅲ. Be used to do sth. “被用于做某事”, be used 是被动语态结构,其中不定式表目的,可用于多种时态。如:

  ① Wood is used to make paper.木材用来造纸。

  [注]:used to 的'否定式有两种:一是:used not to 二是:didn’t use to 如:

  ① My father used not to smoke. = My father didn’t use to smoke.我爸爸过去不抽烟。

  ② They used not to live in the country. = They didn’t use to live in the country.

  其疑问式是将used 提前,或添加助动词 did.

  Ⅳ.would 是情态动词,没有象used to那样,有过去和现在的对比。不能说明是否现在还做不做。

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