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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

admit - ask - attain - behave - brush - can - charge - chirp - contain - corrupt - die - discover - egress - exchange - fend - forbid - fulfill - hint - interest - interview - isle - lengthen - loo - lunch - meet - negative - note - palter - pedal - play - query - reserve - reset - revolve - row - ski - slay - slip - swear - to be - to do - to go - to have - undo