Conjugaison du verbe anglais COULD HAPPEN
Verbe régulier : happen - happened - happened
Traduction française : arriver - se passer
Affirmation
Forme simple
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it could happen
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Forme en V-ing
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it could be happening
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Perfect
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it could have happened
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Perfect en V-ing
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it could have been happening
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Négation
Forme simple
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it couldn't happen
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Forme en V-ing
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it couldn't be happening
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Perfect
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it couldn't have happened
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Perfect en V-ing
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it couldn't have been happening
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Forme interrogative
Forme simple
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could it happen?
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Forme en V-ing
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could it be happening?
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Perfect
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could it have happened?
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Perfect en V-ing
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could it have been happening?
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Forme interro-négative
Forme simple
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couldn't it happen?
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Forme en V-ing
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couldn't it be happening?
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Perfect
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couldn't it have happened?
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Perfect en V-ing
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couldn't it have been happening?
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Verbe au hasard
accompany - arc - bathe - believe - click - crown - den - differ - down - echo - escalate - examine - extend - extract - flight - fluster - gain - glad - help - hoop - infer - involve - job - join - leap - maim - manufacture - mention - overfill - participate - ping - play - publish - restore - shovel - sightsee - spell - stick - take - to be - to do - to go - to have - will