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 - accomplish - attain - avoid - bare - bequeath - bring - catch - commandeer - cough - endeavor - exchange - explode - express - fleer - frighten - job - knock - lever - log - love - man - marry - misspell - parameterize - pick - pledge - premier - quarrel - ready - set - shave - spell - stay - stretch - swerve - to be - to do - to go - to have - travel - watch - wax - weigh