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Prohibition and necessity
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Make a rule with "stay at home in quarantine"
You must stay at home in quarantine.
Oops!
Okay!
Smoking in the museum it's forbidden! You ... smoke outside.
must
Oops!
Okay!
You ... eat that bread. It's a week old.
musn't
Oops!
Okay!
You musn't tell anyone about the party. It's a surprise.
musn't
Oops!
Okay!
You ... talk in the cinema
musn't
Oops!
Okay!
You ... pay the rent today! don't forget
must
Oops!
Okay!
He's a brilliant student. He ... work hard to get good marks.
doesn't have to
Oops!
Okay!
You ... go to the check-in desk if you have checked-in online.
needn't
Oops!
Okay!
You ... feed the dog. I've already done it!
don't have to
Oops!
Okay!
You ... take your shoes off if they are clean.
needn't
Oops!
Okay!
You ... throw rubbish here!
musn't
Oops!
Okay!
In football, you ... touch the ball with your hand.
musn't
Oops!
Okay!
Make a rule with "eat in bed"
You musn't eat in bed.
Oops!
Okay!
You ... listen to the teacher's instructions.
must
Oops!
Okay!
I've already phoned Jane. You .... do it again.
needn't
Oops!
Okay!
When you're driving, you .... use the cellphone.
musn't
Oops!
Okay!
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