同学你好，该知识点来自沪江网校《【Uni智能】英语零基础直达大学六级【全额奖学金班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
第一句中's是has的缩写。
第二句中's是is的缩写。
he has可以缩写的。

常用缩写：

1. 表示“是”的缩写
I'm = I am
He's = He is
We're= We are

2. have的缩写
He's got=He has got
I've got= I have got

3. not的缩写
don't = do not
haven't = have not
won't = will not
haven't = have not

4. will的缩写
I will = I'll
I would = I'd

5. There be的缩写
there's = there is
there're = there are


祝同学学习进步~