1)used to do 过去常常做 I used to read newspapers last year. 2)be used to doing sth= be accustomed to sth/doing sth 习惯于做某事 I am used to going to company by bus. 我习惯于乘车去公司. I am accustomed to the weather here. 我已经适应了这里的天气了. 3)be used to do 被用来做(表示被动) Wood is used to make paper. 木头被用来造纸.