Conjugaison du verbe anglais COULD CERTIFY

Verbe régulier : certify - certified - certified
Traduction française : certifier - attester

Affirmation

Forme simple

I could certify
you could certify
he could certify
we could certify
you could certify
they could certify

Forme en V-ing

I could be certifying
you could be certifying
he could be certifying
we could be certifying
you could be certifying
they could be certifying

Perfect

I could have certified
you could have certified
he could have certified
we could have certified
you could have certified
they could have certified

Perfect en V-ing

I could have been certifying
you could have been certifying
he could have been certifying
we could have been certifying
you could have been certifying
they could have been certifying

Négation

Forme simple

I could not certify
you could not certify
he could not certify
we could not certify
you could not certify
they could not certify

Forme en V-ing

I could not be certifying
you could not be certifying
he could not be certifying
we could not be certifying
you could not be certifying
they could not be certifying

Perfect

I could not have certified
you could not have certified
he could not have certified
we could not have certified
you could not have certified
they could not have certified

Perfect en V-ing

I could not have been certifying
you could not have been certifying
he could not have been certifying
we could not have been certifying
you could not have been certifying
they could not have been certifying

Forme interrogative

Forme simple

could I certify?
could you certify?
could he certify?
could we certify?
could you certify?
could they certify?

Forme en V-ing

could I be certifying?
could you be certifying?
could he be certifying?
could we be certifying?
could you be certifying?
could they be certifying?

Perfect

could I have certified?
could you have certified?
could he have certified?
could we have certified?
could you have certified?
could they have certified?

Perfect en V-ing

could I have been certifying?
could you have been certifying?
could he have been certifying?
could we have been certifying?
could you have been certifying?
could they have been certifying?

Forme interro-négative

Forme simple

could I not certify?
could you not certify?
could he not certify?
could we not certify?
could you not certify?
could they not certify?

Forme en V-ing

could I not be certifying?
could you not be certifying?
could he not be certifying?
could we not be certifying?
could you not be certifying?
could they not be certifying?

Perfect

could I not have certified?
could you not have certified?
could he not have certified?
could we not have certified?
could you not have certified?
could they not have certified?

Perfect en V-ing

could I not have been certifying?
could you not have been certifying?
could he not have been certifying?
could we not have been certifying?
could you not have been certifying?
could they not have been certifying?

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