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HAVE TO, HAVE NOT TO, MUST, MUSTN'T
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You ... drive so fast; we have a lot of time
musting
must
don't have to
Oops!
Okay!
You .... put salt in her food; the doctor said she can't eat salt.
mustn't
haveing
haven't
Oops!
Okay!
Visitors in the zoo .... feed the animals.
don't have to
mustn't
have to
Oops!
Okay!
I .... be late. It's the most important meeting of the year.
mustn't
don't have
musting
Oops!
Okay!
You .... apologise, it isn't necessary
must
must not to
don't have to
Oops!
Okay!
You ... smoke here; smoking is not allowed.
mustn't
don't have to
have to
Oops!
Okay!
Teacher: "You ... arrive on time for class"
don't have to
must
mustn't
Oops!
Okay!
You ... do something to solve this problem
musting
must
don't have to
Oops!
Okay!
You ... go now; you can stay a bit longer
don't have to
have to
musting
Oops!
Okay!
Do you ..... work at night? This is a day off.
mustn't
have to
must
Oops!
Okay!
We ... cook more; there's enough food
must
don't have to
having to
Oops!
Okay!
We .... leave now; it's 10 and the conference doesn't start until 12.
don't have to
mustn't to
must to
Oops!
Okay!
You ..... tell the boss what happened, or he'll fire you.
have not to
have to
mustn't
Oops!
Okay!
The doctor has put me on a strict diet. I .... eat more fruit and vegetables and do more exercise.
don't have to
musting
must
Oops!
Okay!
I don't like these clothes, but I ... wear them at work.
must to
have to
having to
Oops!
Okay!
You ... tell anyone; it's a secret.
don't have to
mustn't
having to
Oops!
Okay!
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