You ______ eat a lot of sweets. It's bad for your teeth.
should
shouldn't
I ______ wear a suit to the party yesterday. It was very formal.
had to
have to
We ______ be quiet in the library.
must
mustn't
He ______ cook because his wife makes dinner.
doesn't have to
must
I ______ ride a bike when I was five years old.
can
could
You ______ cross the road when the light is red.
mustn't
must
They ______ go to the meeting. It's optional.
mustn't
don't have to
She ______ work late last night.
has to
had to
You look tired. You ______ go to bed early.
should
shouldn't
A firefighter ______ be brave.
doesn't have to
has to
Sing "I have to sing"
My father is a pilot. He ______ travel a lot.
has to
have to
She ______ drive a car when she was 18
can
could
It's raining. You ______ take an umbrella.
shouldn't
should
He ______ go to work yesterday because he was ill.
had to
didn't have to
