used to表示过去的习惯性动作，过去如此，现在不再这样了。常译作“过去常常”。be used to do表示“被用来做某事”。如：He is used to hard work.他习惯于艰苦的工作。
used to例句
1、I'm used to loneliness.
2、used to treat diarrhea.
3、I used to paint.
4、Mother used to pickle Onions.
5、Grandmother used to pickle peaches.
6、I'm used to hard work.
7、You used to like tomatoes.
8、Stealthy used to smoke to the toilet.
9、If it was used to brew tea.
10、City folk are used to noise.