Conjugaison du verbe anglais MUST ASCERTAIN

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

Affirmation

Forme simple

I must ascertain
you must ascertain
she must ascertain
we must ascertain
you must ascertain
they must ascertain

Forme en V-ing

I must be ascertaining
you must be ascertaining
she must be ascertaining
we must be ascertaining
you must be ascertaining
they must be ascertaining

Perfect

I must have ascertained
you must have ascertained
she must have ascertained
we must have ascertained
you must have ascertained
they must have ascertained

Perfect en V-ing

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

Négation

Forme simple

I must not ascertain
you must not ascertain
she must not ascertain
we must not ascertain
you must not ascertain
they must not ascertain

Forme en V-ing

I must not be ascertaining
you must not be ascertaining
she must not be ascertaining
we must not be ascertaining
you must not be ascertaining
they must not be ascertaining

Perfect

I must not have ascertained
you must not have ascertained
she must not have ascertained
we must not have ascertained
you must not have ascertained
they must not have ascertained

Perfect en V-ing

I must not have been ascertaining
you must not have been ascertaining
she must not have been ascertaining
we must not have been ascertaining
you must not have been ascertaining
they must not have been ascertaining

Forme interrogative

Forme simple

must I ascertain?
must you ascertain?
must she ascertain?
must we ascertain?
must you ascertain?
must they ascertain?

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interro-négative

Forme simple

must I not ascertain?
must you not ascertain?
must she not ascertain?
must we not ascertain?
must you not ascertain?
must they not ascertain?

Forme en V-ing

must I not be ascertaining?
must you not be ascertaining?
must she not be ascertaining?
must we not be ascertaining?
must you not be ascertaining?
must they not be ascertaining?

Perfect

must I not have ascertained?
must you not have ascertained?
must she not have ascertained?
must we not have ascertained?
must you not have ascertained?
must they not have ascertained?

Perfect en V-ing

must I not have been ascertaining?
must you not have been ascertaining?
must she not have been ascertaining?
must we not have been ascertaining?
must you not have been ascertaining?
must they not have been ascertaining?

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