Share Must/Have to - Mustn't/Don't have to
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You must / mustn't wear your life jacket. It keeps you safe.
must
You must / mustn't throw rubbish over the side of the boat. Keep the sea clean!
mustn't
You must / mustn't take your rubbish with you.
must
You mustn't / don't have to swim in the lake. It's a prohibition sign!
mustn't
You must / have to show your ticket at the door.
have to
You must / have to drive carefully through the mountains.
must
You mustn't / don't have to light fires in the forest.
mustn't
You mustn't / don't have to book a ticket online.
don't have to
She mustn't / doesn't have to help her teacher, but she always does.
doesn't have to
He must / has to arrive at the ice rink for his lesson.
has to
You must / have to be quiet during the film.
have to
The bus must / has to leave at 8 o'clock.
has to
I mustn't / don't have to bring lunch with me. There is a café at the swimming pool.
don't have to
Each must / has to write an essay about the trip and give it to the teacher.
has to
