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L25并列连词used to思维导图
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U829243156 浏览量：232023-05-20 10:42:17
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L25并列连词used to
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思维导图大纲
L31 used to 思维导图模板大纲
used to
情态动词
否定句:usedn't to
My father usedsn't to read on Sundays.
一般疑问句: Used ...to ?
Used your father to read on Sundays?
实义动词
否定句：didn't use to
My father didn't use to read on Sundays.
一般疑问句：Did ...use to?
Did your father use to read on Sundays?
区别
used to do
过去常常做（现在不做了）
to +动词原形
My father used to smok.我爸爸过去经常抽烟。
be used to doing
习惯于做某事
to +动词ing
He used to live in China,so he is used to eating Chinese food. 他之前住在中国，所以习惯吃中餐。
be used to do
被用来做...
to +动词原形
Cloth is used to make cloths. 布料是用来做衣服的。
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