Relier Pairs Must have toVersion en ligne The correct use of must , have to and their negative form par Sabs Negrete 1 A personal very important, necessary thing to do 2 It is an obligation from the situation. 3 It isn't necessary, just and advice 4 Formal or written obligations 5 Not necessary and you can choose 6 You have no choice. 7 Forbidden or not allowed to do HAVE TO SHOULD & SHOULDN'T MUST MUST NOT DON'T HAVE TO HAVE TO MUST
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