глагол  to bu не помню  краткую форму помогите ! за ответ даю 20 пунктов

I' m
You' re
He' s she' s
We' re
You' re
They' re

Глагол to be:
I am- I'm
He is- He's
She is- She's
It is- It's
You are- You're
We are- We're
They are- they're