Conjugaison du verbe anglais CAN ASCERTAIN

Verbe régulier : ascertain - ascertained - ascertained
Traduction française : établir - constater

Affirmation

Forme simple

I can ascertain
you can ascertain
she can ascertain
we can ascertain
you can ascertain
they can ascertain

Forme en V-ing

I can be ascertaining
you can be ascertaining
she can be ascertaining
we can be ascertaining
you can be ascertaining
they can be ascertaining

Perfect

I can have ascertained
you can have ascertained
she can have ascertained
we can have ascertained
you can have ascertained
they can have ascertained

Perfect en V-ing

I can have been ascertaining
you can have been ascertaining
she can have been ascertaining
we can have been ascertaining
you can have been ascertaining
they can have been ascertaining

Négation

Forme simple

I can't ascertain
you can't ascertain
she can't ascertain
we can't ascertain
you can't ascertain
they can't ascertain

Forme en V-ing

I can't be ascertaining
you can't be ascertaining
she can't be ascertaining
we can't be ascertaining
you can't be ascertaining
they can't be ascertaining

Perfect

I can't have ascertained
you can't have ascertained
she can't have ascertained
we can't have ascertained
you can't have ascertained
they can't have ascertained

Perfect en V-ing

I can't have been ascertaining
you can't have been ascertaining
she can't have been ascertaining
we can't have been ascertaining
you can't have been ascertaining
they can't have been ascertaining

Forme interrogative

Forme simple

can I ascertain?
can you ascertain?
can she ascertain?
can we ascertain?
can you ascertain?
can they ascertain?

Forme en V-ing

can I be ascertaining?
can you be ascertaining?
can she be ascertaining?
can we be ascertaining?
can you be ascertaining?
can they be ascertaining?

Perfect

can I have ascertained?
can you have ascertained?
can she have ascertained?
can we have ascertained?
can you have ascertained?
can they have ascertained?

Perfect en V-ing

can I have been ascertaining?
can you have been ascertaining?
can she have been ascertaining?
can we have been ascertaining?
can you have been ascertaining?
can they have been ascertaining?

Forme interro-négative

Forme simple

can't I ascertain?
can't you ascertain?
can't she ascertain?
can't we ascertain?
can't you ascertain?
can't they ascertain?

Forme en V-ing

can't I be ascertaining?
can't you be ascertaining?
can't she be ascertaining?
can't we be ascertaining?
can't you be ascertaining?
can't they be ascertaining?

Perfect

can't I have ascertained?
can't you have ascertained?
can't she have ascertained?
can't we have ascertained?
can't you have ascertained?
can't they have ascertained?

Perfect en V-ing

can't I have been ascertaining?
can't you have been ascertaining?
can't she have been ascertaining?
can't we have been ascertaining?
can't you have been ascertaining?
can't they have been ascertaining?

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