be used to be used to do 和be used to doing be used for be uesd for sth /doing sth 这些该怎么区别?什么时候该用哪个词组?求完整的详细的回答~

be used for be used to be used from区别 be used for doing,be used to do,be used as,be used in,be used to doing,used to used to／be used to／be used for的区别 used to be used to be翻译 I used to be used to be to be used used to be to be used to be used be used to be used to used to be be used to be used to与have used to be used to中的used的词性 used to be used 后面加什么