The Conjugator
Conjugaison du verbe anglais
COULD CERTIFY

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

Affirmation

Forme simple

Forme en V-ing

I could certify
you could certify
she could certify
we could certify
you could certify
they could certify
I could be certifying
you could be certifying
she could be certifying
we could be certifying
you could be certifying
they could be certifying

Perfect

Perfect en V-ing

I could have certified
you could have certified
she could have certified
we could have certified
you could have certified
they could have certified
I could have been certifying
you could have been certifying
she could have been certifying
we could have been certifying
you could have been certifying
they could have been certifying

Négation

Forme simple

Forme en V-ing

I couldn't certify
you couldn't certify
she couldn't certify
we couldn't certify
you couldn't certify
they couldn't certify
I couldn't be certifying
you couldn't be certifying
she couldn't be certifying
we couldn't be certifying
you couldn't be certifying
they couldn't be certifying

Perfect

Perfect en V-ing

I couldn't have certified
you couldn't have certified
she couldn't have certified
we couldn't have certified
you couldn't have certified
they couldn't have certified
I couldn't have been certifying
you couldn't have been certifying
she 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

Forme en V-ing

could I certify?
could you certify?
could she certify?
could we certify?
could you certify?
could they certify?
could I be certifying?
could you be certifying?
could she be certifying?
could we be certifying?
could you be certifying?
could they be certifying?

Perfect

Perfect en V-ing

could I have certified?
could you have certified?
could she have certified?
could we have certified?
could you have certified?
could they have certified?
could I have been certifying?
could you have been certifying?
could she have been certifying?
could we have been certifying?
could you have been certifying?
could they have been certifying?

Forme interro-négative

Forme simple

Forme en V-ing

couldn't I certify?
couldn't you certify?
couldn't she certify?
couldn't we certify?
couldn't you certify?
couldn't they certify?
couldn't I be certifying?
couldn't you be certifying?
couldn't she be certifying?
couldn't we be certifying?
couldn't you be certifying?
couldn't they be certifying?

Perfect

Perfect en V-ing

couldn't I have certified?
couldn't you have certified?
couldn't she have certified?
couldn't we have certified?
couldn't you have certified?
couldn't they have certified?
couldn't I have been certifying?
couldn't you have been certifying?
couldn't she have been certifying?
couldn't we have been certifying?
couldn't you have been certifying?
couldn't they have been certifying?