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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

affect - allot - bathe - beg - borrow - bring - coffer - commit - compress - contain - copy - derive - designate - disappoint - down - envy - etch - fend - forgive - founder - graduate - handle - im - imprison - insure - issue - ko - listen - make - omit - out - overhang - read - receive - repeat - spring - survive - to be - to do - to go - to have - travail - undertake - wax