be used to do sth,be use to doing sth,be use to sth,be use for sth区别
问题描述：
be used to do sth,be use to doing sth,be use to sth,be use for sth区别
答
used to do 过去常常做某事,过去曾做某事.
be used to do 被用来做某事.
be used to doing 习惯于做某事.
be use for sth用来做某事