1、情态动词can在陈述句的用法
以“somebody + can + do" 组成can的陈述句,不管主语为第几人称,情态动词can 后面都用动词原形do。
例句:I can speak a little Chinese.
My friend Judy can read Chinese . I can ask her for help.
It can do a lot of things.
2、情态动词can表达能力
"somebody + can + do"的结构表示某人能够做某事。
例句:I can speak a little Chinese.
Yes, it can speak 20 different languages.