be used to do和be used to doing的用法和区别

be used to和be use to used to和be use to 加do还是doing use to 和used to的意思 be use to 和be used to do有区别吗? use to,be used to do,be used to doing和be used for的区别used to 是过去常常吧 be used to do sth,be use to doing sth,be use to sth,be use for sth区别 i use 和i used to和I am used to和be used to do和 used to do 区别 如何用（请用）used to do sth 和used be+adj和be use如何用（请用）used to do sth 和used be+adj和be used to doing sth.造句（分开造句） be used to do 和be used for的用法 use的用法.used to do sthbe used to do sth be used to doing sth be used for be used by use to do sth和be used doing sth的意思 used to do,be used to doing和 be used to do的区别,并举例说明 use to do be used to do be uesd doing 的差别 use to 和 be used to的详细用法? used to be 和 used to do 的区别 Be used to 和used to do分别是什么意思 be used to 和 used to do 的区别 use to do和use to be的区别 be used to do sth.否定形式是什么?也就是说,didn't used to do 还是didn't use to do