have/ have got

肯定句

have	have got
I have a brother.	I have got a brother. I've got a brother.

have got 即使在书面语中也经常用使用其缩略形式。

否定句

have	have got
I don't have a brother.	I have not got a brother. 或者 I haven't got a brother.

can, must

1) can

I can play football.
My sister can play volleyball.
I can't play handball. = I cannot play handball.
Can I go to the cinema?
When can we ride our bikes?

2) must

The children must be at school at 7.35.
I must help my father this afternoon.
Must we clean our room now?