Conjugaison du verbe anglais MUST HAPPEN
Verbe régulier : happen - happened - happened
Traduction française : arriver - se passer
Affirmation
Forme simple
--
it must happen
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Forme en V-ing
--
it must be happening
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Perfect
--
it must have happened
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Perfect en V-ing
--
it must have been happening
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Négation
Forme simple
--
it mustn't happen
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Forme en V-ing
--
it mustn't be happening
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Perfect
--
it mustn't have happened
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Perfect en V-ing
--
it mustn't have been happening
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Forme interrogative
Forme simple
--
must it happen?
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Forme en V-ing
--
must it be happening?
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Perfect
--
must it have happened?
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Perfect en V-ing
--
must it have been happening?
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Forme interro-négative
Forme simple
--
mustn't it happen?
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Forme en V-ing
--
mustn't it be happening?
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Perfect
--
mustn't it have happened?
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Perfect en V-ing
--
mustn't it have been happening?
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