1.used to do sth. 过去常常做某事,(意思现在不做了) 例: I used to get up early and take an hour's walk before breakfast. 我过去常常起床很早并且在早餐前散步一小时。 2.be used to doing sth / be used to sth . 是指习惯于做某事.(这里的to 是介词.) 例: She isn’t used to living in the countryside now. 她不习惯在乡下生活。 Are you used to the food here? 你习惯吃这儿的饭菜吗?
3.be used to do sth. 被用来做某事 例: Computers are used to do many things for people now. 现在计算机被用来做许多事情。