be used to doing是过去常常,还是现在常常,还是什么别的?

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 used的用法to,be used to do,be used to doing,get used to do哪个是“用来做”，“习惯于”，“过去常常做”等等 英语there used to be 是过去常有的意思为什么不能用 there are used to be 呢 be used to doing是过去常常,还是现在常常,还是什么别的? 类似used to do的用法used to do 是过去常常做某事吗?be/get used to do 是被用来做某事吗?be used to doing be used to doing用于什么时态,如果用于过去时,为什么还是doing的形式? be used for doing,be used to do,be used as,be used in,be used to doing,used to be used to doing sth =used to doing sth be used to doing是被动语态吗 used用法 词组 语法什么的be used to do be used to doing used to do这一类 然后是 used词组 get used to doing然后be used to do是这样吗?这两个对吗? be used to doing/be used with的区别 be used to doing和be used todo什么区别 be used to doing,be used to do,used to do,be used for,be used by有什么区别. 用used to do be used to doing造句 be used to doing与used to do的区别 be used to+doing sth是什么意义 be getting used to doing的意思