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Have to/don't have to/mustn't
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You ...... shout in class.
mustn't
Oops!
Okay!
I ....... wear a school uniform.
have to
Oops!
Okay!
She...... run inside the house.
mustn't
Oops!
Okay!
You ...... buy her a present. I already have one.
don't have to
Oops!
Okay!
We ........ go to school on holidays.
don't have to
Oops!
Okay!
You..... eat in class.
musn't
Oops!
Okay!
You...... be quiet on exams.
have to
Oops!
Okay!
My brother ..... wash the car.
has to
Oops!
Okay!
You ........ wash the dishes. It's not necessary.
don't have to
Oops!
Okay!
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