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féminin | Modal : aucun | may | might | can | could | shall | should | will | would | must | ought to

Conjugaison du verbe anglais COULD AUTHENTICATE

Verbe régulier : authenticate - authenticated - authenticated
Traduction française : établir l'authenticité de - légaliser

Affirmation

Forme simple
I could authenticate
you could authenticate
he could authenticate
we could authenticate
you could authenticate
they could authenticate
Forme en V-ing
I could be authenticating
you could be authenticating
he could be authenticating
we could be authenticating
you could be authenticating
they could be authenticating
Perfect
I could have authenticated
you could have authenticated
he could have authenticated
we could have authenticated
you could have authenticated
they could have authenticated
Perfect en V-ing
I could have been authenticating
you could have been authenticating
he could have been authenticating
we could have been authenticating
you could have been authenticating
they could have been authenticating

Négation

Forme simple
I couldn't authenticate
you couldn't authenticate
he couldn't authenticate
we couldn't authenticate
you couldn't authenticate
they couldn't authenticate
Forme en V-ing
I couldn't be authenticating
you couldn't be authenticating
he couldn't be authenticating
we couldn't be authenticating
you couldn't be authenticating
they couldn't be authenticating
Perfect
I couldn't have authenticated
you couldn't have authenticated
he couldn't have authenticated
we couldn't have authenticated
you couldn't have authenticated
they couldn't have authenticated
Perfect en V-ing
I couldn't have been authenticating
you couldn't have been authenticating
he couldn't have been authenticating
we couldn't have been authenticating
you couldn't have been authenticating
they couldn't have been authenticating

Forme interrogative

Forme simple
could I authenticate?
could you authenticate?
could he authenticate?
could we authenticate?
could you authenticate?
could they authenticate?
Forme en V-ing
could I be authenticating?
could you be authenticating?
could he be authenticating?
could we be authenticating?
could you be authenticating?
could they be authenticating?
Perfect
could I have authenticated?
could you have authenticated?
could he have authenticated?
could we have authenticated?
could you have authenticated?
could they have authenticated?
Perfect en V-ing
could I have been authenticating?
could you have been authenticating?
could he have been authenticating?
could we have been authenticating?
could you have been authenticating?
could they have been authenticating?

Forme interro-négative

Forme simple
couldn't I authenticate?
couldn't you authenticate?
couldn't he authenticate?
couldn't we authenticate?
couldn't you authenticate?
couldn't they authenticate?
Forme en V-ing
couldn't I be authenticating?
couldn't you be authenticating?
couldn't he be authenticating?
couldn't we be authenticating?
couldn't you be authenticating?
couldn't they be authenticating?
Perfect
couldn't I have authenticated?
couldn't you have authenticated?
couldn't he have authenticated?
couldn't we have authenticated?
couldn't you have authenticated?
couldn't they have authenticated?
Perfect en V-ing
couldn't I have been authenticating?
couldn't you have been authenticating?
couldn't he have been authenticating?
couldn't we have been authenticating?
couldn't you have been authenticating?
couldn't they have been authenticating?