Conjugaison du verbe anglais MUST YACK

Verbe régulier : yack - yacked - yacked

Affirmation

Forme simple

I must yack
you must yack
he must yack
we must yack
you must yack
they must yack

Forme en V-ing

I must be yacking
you must be yacking
he must be yacking
we must be yacking
you must be yacking
they must be yacking

Perfect

I must have yacked
you must have yacked
he must have yacked
we must have yacked
you must have yacked
they must have yacked

Perfect en V-ing

I must have been yacking
you must have been yacking
he must have been yacking
we must have been yacking
you must have been yacking
they must have been yacking

Négation

Forme simple

I must not yack
you must not yack
he must not yack
we must not yack
you must not yack
they must not yack

Forme en V-ing

I must not be yacking
you must not be yacking
he must not be yacking
we must not be yacking
you must not be yacking
they must not be yacking

Perfect

I must not have yacked
you must not have yacked
he must not have yacked
we must not have yacked
you must not have yacked
they must not have yacked

Perfect en V-ing

I must not have been yacking
you must not have been yacking
he must not have been yacking
we must not have been yacking
you must not have been yacking
they must not have been yacking

Forme interrogative

Forme simple

must I yack?
must you yack?
must he yack?
must we yack?
must you yack?
must they yack?

Forme en V-ing

must I be yacking?
must you be yacking?
must he be yacking?
must we be yacking?
must you be yacking?
must they be yacking?

Perfect

must I have yacked?
must you have yacked?
must he have yacked?
must we have yacked?
must you have yacked?
must they have yacked?

Perfect en V-ing

must I have been yacking?
must you have been yacking?
must he have been yacking?
must we have been yacking?
must you have been yacking?
must they have been yacking?

Forme interro-négative

Forme simple

must I not yack?
must you not yack?
must he not yack?
must we not yack?
must you not yack?
must they not yack?

Forme en V-ing

must I not be yacking?
must you not be yacking?
must he not be yacking?
must we not be yacking?
must you not be yacking?
must they not be yacking?

Perfect

must I not have yacked?
must you not have yacked?
must he not have yacked?
must we not have yacked?
must you not have yacked?
must they not have yacked?

Perfect en V-ing

must I not have been yacking?
must you not have been yacking?
must he not have been yacking?
must we not have been yacking?
must you not have been yacking?
must they not have been yacking?

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