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 mustn't yack
you mustn't yack
he mustn't yack
we mustn't yack
you mustn't yack
they mustn't yack

Forme en V-ing

I mustn't be yacking
you mustn't be yacking
he mustn't be yacking
we mustn't be yacking
you mustn't be yacking
they mustn't be yacking

Perfect

I mustn't have yacked
you mustn't have yacked
he mustn't have yacked
we mustn't have yacked
you mustn't have yacked
they mustn't have yacked

Perfect en V-ing

I mustn't have been yacking
you mustn't have been yacking
he mustn't have been yacking
we mustn't have been yacking
you mustn't have been yacking
they mustn't 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

mustn't I yack?
mustn't you yack?
mustn't he yack?
mustn't we yack?
mustn't you yack?
mustn't they yack?

Forme en V-ing

mustn't I be yacking?
mustn't you be yacking?
mustn't he be yacking?
mustn't we be yacking?
mustn't you be yacking?
mustn't they be yacking?

Perfect

mustn't I have yacked?
mustn't you have yacked?
mustn't he have yacked?
mustn't we have yacked?
mustn't you have yacked?
mustn't they have yacked?

Perfect en V-ing

mustn't I have been yacking?
mustn't you have been yacking?
mustn't he have been yacking?
mustn't we have been yacking?
mustn't you have been yacking?
mustn't they have been yacking?

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