be used to do 和doing区别RT

问题描述:

be used to do 和doing区别
RT

be used to do 过去常常做某事
be used to doing 已经习惯于做某事

第一楼的回答错了,used to do 才是“过去常常做某事 ”的意思.
be used to do是被用来做.例如,The paper is used to written.
be used to doing 是习惯做某事.例如,I am used to riding the bike.
楼主,选我哈!