1、意思不同
used to do解释成过去常常做某事(但现在不做了),be used to doing sth / be used to sth是指习惯于做某事(现在还在做)。
2、后面跟的词性不同
used to 是“过去常常做什么”后接动词原形,be used to 是“习惯做什么”后接名词和动名词(ing)。
1、I'm used to loneliness.
2、I used to paint.
3、used to treat diarrhea.
4、We're used to failures.
5、We used to love while others used to play.
6、It cannot be used to bond wood to metal.
7、But the technique I used to memorize those chapters can be used to memorize anything.
8、Extension methods should be used to "add" overloads to interfaces. They can also be used to manage dependencies between libraries.
9、Launchpad can be used to control these instruments.
10、Can be used to achieve automated assembly line in operation.