used to do,be used to,be used to doing有什么区别

来源：百度知道编辑：UC知道时间：2024/05/17 02:54:17

简单一些的回答~

used to do 是过去常做
be used to 是被用来做
be used to doing 是经常做
很简单的了吧

used to do 是过去常做主语是人
be used to 是被用来做= be used for doing 主语是物
be used to doing 是现在经常做或习惯于做主语是人

used to do 是过去常做
be used to 是被用来做
be used to doing 是经常做

be used to doing=get used to doing
与一般现在时用
He is used to reading now
他习惯读书

used to +原形过去经常
He used to do homework
be used to=be used for doing
被用来做什么

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