Check if it is an obligation, a suggestion or prohibition: You have to wash your hands so the germs are gone.
obligation
You _______ bring food from outside.
cannot / can't
You ______ take photos in this museum.
mustn't
She ___________ do homework.
has to
Check if it is an obligation, a suggestion or prohibition: You shouldn't turn off your camera while you are on zoom.
Suggestion
I _____ listen to the music I like. My parents don't like it.
cannot / can't
__________ I ask you a question?
Can / May
A pilot ______ wear a uniform.
has to
You __________ take your shoes off.
must
In this hotel, you _________ check out at noon.
have to
He _____ speak Spanish fluently. He just started learning.
can't
You __________ see a doctor.
should
You _____ put the rubbish in the bin.
must
You _________ be over 18 to see this film.
have to
You __________ drive more than 70m/ph.
mustn't
You __________ go outside if it is not necessary.
don't have to
Check if it is an obligation, a suggestion or prohibition: You mustn't speak in the library.
Prohibition