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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

abide - accrue - approve - await - bang - bask - beat - bore - concern - credit - damage - delay - dry - edge - etch - fall - fleer - flow - fold - foresee - found - founder - full - graduate - guarantee - hate - indicate - inject - jest - keep - live - loan - mix - negative - quit - realize - see - suppress - to be - to do - to go - to have - train - while