I ... clean my room. My mother told me to do it. MUST or HAVE TO?
have to
I ... learn because I want to get to a good university. MUST or HAVE TO?
must
She ... take an umbrella. It won't rain.
doesn't have to
We .... wear uniforms in this school.
have to
You ... use your phone on the lesson (unless the teacher let you).
can't / mustn't
You ... drink water on the lesson.
can
You ... walk your dog there.
mustn't
You ... help your classmates when they need it.
should
You ... take medicine without consulting the doctor.
can't
You ... wear seatbelts when you drive a car.
must
There is a lot of milk. You ... buy any.
don't have to
You ... smoke in a hospital.
mustn't
You ... stop on a stop sign.
must
You ... eat unhealthy food.
shouldn't
