get / eight hours of sleep / every night
You should get eight hours of sleep every night. (Modals of Advice)
If you don't want your dessert you ________ eat it.
don't have to
Don't run in the corridor (change to modal)
You musn't run in the corridor (obligation)
Doctors _______ wear a mask when they are performing surgery.
Have to / must
I _______ renew my driver's license before it expires.
have got to / must
study / two hours / a night
You should study two hours a night (Modal 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.
Layla couldn't go out last night because she ________ for her English exam.
had to
She ____________ to attend this class if she doesn't want to.
doesn't have to
wear / must / business attire / at the office
You must wear business attire at the office
study / before your final exams
You had better (more serious) / should study before your final exams
Luca couldn't go to the game because he _______ study.
had to (past neccesity)