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 couldn't certify
you couldn't certify
he couldn't certify
we couldn't certify
you couldn't certify
they couldn't certify

Forme en V-ing

I couldn't be certifying
you couldn't be certifying
he couldn't be certifying
we couldn't be certifying
you couldn't be certifying
they couldn't be certifying

Perfect

I couldn't have certified
you couldn't have certified
he couldn't have certified
we couldn't have certified
you couldn't have certified
they couldn't have certified

Perfect en V-ing

I couldn't have been certifying
you couldn't have been certifying
he couldn't have been certifying
we couldn't have been certifying
you couldn't have been certifying
they couldn't 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

couldn't I certify?
couldn't you certify?
couldn't he certify?
couldn't we certify?
couldn't you certify?
couldn't they certify?

Forme en V-ing

couldn't I be certifying?
couldn't you be certifying?
couldn't he be certifying?
couldn't we be certifying?
couldn't you be certifying?
couldn't they be certifying?

Perfect

couldn't I have certified?
couldn't you have certified?
couldn't he have certified?
couldn't we have certified?
couldn't you have certified?
couldn't they have certified?

Perfect en V-ing

couldn't I have been certifying?
couldn't you have been certifying?
couldn't he have been certifying?
couldn't we have been certifying?
couldn't you have been certifying?
couldn't they have been certifying?

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