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used to do used to doing be used to do

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