Conjugaison du verbe anglais MAY HAPPEN
Verbe régulier : happen -  happened - happened
Traduction française : arriver - se passer 
Affirmation
Forme simple
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it may happen
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Forme en V-ing
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it may be happening
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Perfect
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it may have happened
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Perfect en V-ing
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it may have been happening
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Négation
Forme simple
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it mayn't happen
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Forme en V-ing
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it mayn't be happening
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Perfect
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it mayn't have happened
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Perfect en V-ing
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it mayn't have been happening
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Forme interrogative
Forme simple
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may it happen?
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Forme en V-ing
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may it be happening?
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Perfect
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may it have happened?
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Perfect en V-ing
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may it have been happening?
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Forme interro-négative
Forme simple
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mayn't it happen?
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Forme en V-ing
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mayn't it be happening?
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Perfect
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mayn't it have happened?
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Perfect en V-ing
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mayn't it have been happening?
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Verbe au hasard
abide - acquire - allow - amass - arrest - bit - bow - cake - charge - combat - crown - cut - debit - feast - get - knock - know - lessen - load - lodge - mix - name - net - ordain - party - publish - read - reply - ride - right - sail - share - skip - stay - stretch - sum - throw - tidy - to be - to do - to go - to have - understand - wonder