used to和be used to区别英语作文：1.used to do sth.过去常常做某事,(意思现在不做了)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.)
used to 的例句：
1.A kid I used to be friends with turned against me after being told that I'd been insulting him
2.The machines start to wear down, they don't make as many nuts and bolts as they used to
3.I used to pour time and energy into projects that were doomed from the start.
4.This piece of cloth can be used to make a pair of pillow cases.
be used to的例句：
1.I’m used to getting up early.
2.We’re used to the noise from the traffic now.
3.I didn’t think I could ever get used to living in a big city after living in the country.