They (don't have to/have to/mustn't) go to school tomorrow. It's a weekend.
You

have to
don't have to
mustn't
touch those insects. They can sting you.
You

have to
don't have to
mustn't
go if you are too busy. We can go on our own.
The concert is free. We

have to
don't have to
mustn't
pay.
It's late. They

have to
don't have to
mustn't
leave now.
Ted and Mike

have to
don't have to
mustn't
take the train to school. It's pretty far to walk.
In some countries you

have to
don't have to
mustn't
drive on the left.
People

have to
don't have to
mustn't
be very tall to play curling.

polinakket    1   06.04.2020 14:17    2