He _______ walk the dog.
has to
have to
We _______ study at night.
don't have to
doesn't have to
They _______ help in the house.
doesn't have to
don't have to
She _______ brush her teeth.
have to
has to
We _______ wash the windows. They're dirty.
have to
has to
He _______ work this weekend.
don't have to
doesn't have to
You _______ wear a uniform in the office.
don't have
doesn't have to
I _______ listen to my boss.
has to
have to
We _______ wake up early .
don't have to
doesn't have to
He _______ be careful.
have to
has to
