Dear students, What is the difference between mustn't and don't have to?

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Hi, I'm not sure if students can answer teachers' questions in the ASK COMMUNITY section. Check out the explanation and examples given below. MUSTN'T is used to indicate that something is prohibited or forbidden. It suggests that there's a strong obligation not to do something, and there may be consequences for not complying. E.g. You mustn't smoke in this building. DON'T HAVE TO is used to indicate that something is not necessary or required. E.g. You don't have to come to the meeting if you don't want to.

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