used to do used to doing be used to do区别 用法 翻译 例句

问题描述:

used to do used to doing be used to do
区别 用法 翻译 例句

ued to do :过去做某事 He used to be quiet.现在的状况就不一定了,强调过去
be used to doing:习惯做某事 I am used to taking shower after supper.主语一般是人,
be used to do,既一般地被动,被用来干什么..Knives are used to cut food.主语大多时候是物,也可以是人

used to do过去经常做什么
be used to doing习惯做某事
be used to do被用来做某事.

used to do意思是过去常常做某事,例句:He used to read books for an hour every day.他过去常常每天阅读一小时(表示现在不这样做了)
be used to doing 意思是习惯做某事.例句:He is used to reading books for an hour every day.他已经习惯每天阅读一小时了(现在还这样做)
be used to do被用作.,The box is used to contain books.这个箱子是用来装书的(这个be used是use的被动形式)