I must go to the doctor this afternoon.
I must'n go to the doctor this afternoon.
Must I go to the doctor this afternoon?
He can speak in 5 languages.
He can't speak in 5 languages.
Can he speak in 5 languages?
She could understand what John was saying.
Could she understand what John was saying?
She could't understand what John was saying.
They may stay up late.
May they stay up late?
They may not stay up late.
We might go to the party.
We might not go to the party.
Might we go to the party?
You need to go for a walk.
You don't need to go for a walk.
Do you need to go for a walk?
It should go to the cinema.
Should it go to the cinema
It should not go to the cinema
She ought to learn more.
Ought to she learn more?
She ought not to learn more.
I have to do the shopping.
Do I have to do the shopping?
I don't heva to do the shopping.