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