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Is it possible to say "May you get a bonus this year-- I suppose that it is grammatically possible, but it certainly not normal. 'Might you get a bonus?'
Which is the best alternative must or have to... Do you know if we must/have to have visas for the Caribbean?-- 'Have to'(= obligations from an outside authority) is the choice according to many grammar books, but actually both are in use for both inner and outside obligation.
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