study / 1 hour / a night
You should study 1 hour a night (Modal of Advice)
get / eight hours of sleep / every night
You should get eight hours of sleep every night. (Modals of Advice)
Don't play music in class (change to modal)
You shouldn't play music in class
Don't eat during the lesson (change to modal)
You shouldn't eat during the lesson.
wear / must / business attire / at the office
You must wear business attire at the office
Don't run in the corridor (change to modal)
You musn't run in the corridor (obligation)
If you don't want your dessert you ________ eat it.
don't have to
Doctors _______ wear a mask when they are performing surgery.
Have to / must
She ____________ to attend this class if she doesn't want to.
doesn't have to
I _______ renew my driver's license before it expires.
have got to / must
Kevin ________ to watch his little sister when his parents goes out.
Has to (necessity)
She ________ come to my party. I'm not sure though.
might
This ________ cause a problem. Let's come up with a plan.
could / might
You ________ park your car here. You'll get a ticket.
can't
