used的六个短语

　　be used to 被用做..be used to do The quilt is used to keep warm.

　　be/get used to doing习惯.. He has got used to new enviroments.

　　be used for +名词/动名词 The quilt is used for keeping warm.

　　used to do (did something very often in the past) 过去常回做... He used to go there. But now, he seldom go there.

　　be used to do 被用来做某事答

　　be used to doing/sth 习惯做某事

　　used to do 过去常常做某事