mustn't

English grammar questions, answered by Alan

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Alan
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Post by Alan »

Not really, unless you inserted a comma and made it

You mustn't drink so much, and take some exercise!

i.e. an unwieldy combination of an indicative (mustn't) and an imperative (take) linked by 'and'.

Otherwise you need #2.
googl
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Post by googl »

Dear Alan,

why a comma here is needed? (I thought that we never put a comma before 'and' in the sentences like X does sth. and Y does sth., why here?)
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Alan
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Post by Alan »

No, we don't put a comma normally, because normally we join clauses of the same type. In this case, however, the clauses are very dissimilar.
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