A2Englishen.a2.053
Mustn't: prohibition
Mustn't: prohibition
Structure:
subject + mustn't + base verb
'Mustn't' means 'it is not allowed / it is forbidden'. It does NOT mean 'it is not necessary'.
Example:
You mustn't use your phone during the exam.
Examples
You mustn't use your phone during the exam.
Practice
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