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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

administer - appall - attack - benefit - busy - cancel - collide - complain - complete - continue - couple - credit - cycle - dull - eat - faint - flag - freeze - hate - heart - help - hold - imagine - imprison - involve - isle - melt - mess - mock - modify - neigh - order - parameterize - promote - reduce - remain - resemble - say - spin - to be - to do - to go - to have - vibrate