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used to do sth. be/get used to( doing)sth be used to do sth., be used for doing sth. (1) used to do sth.“过去常常做某事”(现在不做了),只用于过去时态。 He used to get up early.过去他常常早起。(现在已不这样了) Her mother used to go shopping on Fridays, but now she does it on Sundays她母亲过去常在周五去逛超市但现在她周日去。 (2) be used to( doing)sth.“习惯于做某事”,可用于现在、过去、将来等多种时态。be可用get, become等代替。 He will be/ has been usedto getting up early.他将会/已经习惯早起。 you'll get used to( doing) your new job soon.你很快就会习惯新工作的。 (3) 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。 Wood is used to make paper木材被用来造纸 (4) be used for doing sth.和 be used to do sth一样都表示“被用来做什么事情”。 Wood is used for making paper 等于Wood is used to make paper 木材被用来造纸。 |
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