féminin | Modal : aucun | may | might | can | could | shall | should | will | would | must | ought to
Conjugaison du verbe anglais MUST STACK
Verbe régulier : stack -  stacked - stacked
Traduction française : empiler - s'empiler 
Affirmation
Forme simple
I must stackyou must stack
he must stack
we must stack
you must stack
they must stack
Forme en V-ing
I must be stackingyou must be stacking
he must be stacking
we must be stacking
you must be stacking
they must be stacking
Perfect
I must have stackedyou must have stacked
he must have stacked
we must have stacked
you must have stacked
they must have stacked
Perfect en V-ing
I must have been stackingyou must have been stacking
he must have been stacking
we must have been stacking
you must have been stacking
they must have been stacking
Négation
Forme simple
I mustn't stackyou mustn't stack
he mustn't stack
we mustn't stack
you mustn't stack
they mustn't stack
Forme en V-ing
I mustn't be stackingyou mustn't be stacking
he mustn't be stacking
we mustn't be stacking
you mustn't be stacking
they mustn't be stacking
Perfect
I mustn't have stackedyou mustn't have stacked
he mustn't have stacked
we mustn't have stacked
you mustn't have stacked
they mustn't have stacked
Perfect en V-ing
I mustn't have been stackingyou mustn't have been stacking
he mustn't have been stacking
we mustn't have been stacking
you mustn't have been stacking
they mustn't have been stacking
Forme interrogative
Forme simple
must I stack?must you stack?
must he stack?
must we stack?
must you stack?
must they stack?
Forme en V-ing
must I be stacking?must you be stacking?
must he be stacking?
must we be stacking?
must you be stacking?
must they be stacking?
Perfect
must I have stacked?must you have stacked?
must he have stacked?
must we have stacked?
must you have stacked?
must they have stacked?
Perfect en V-ing
must I have been stacking?must you have been stacking?
must he have been stacking?
must we have been stacking?
must you have been stacking?
must they have been stacking?
Forme interro-négative
Forme simple
mustn't I stack?mustn't you stack?
mustn't he stack?
mustn't we stack?
mustn't you stack?
mustn't they stack?
Forme en V-ing
mustn't I be stacking?mustn't you be stacking?
mustn't he be stacking?
mustn't we be stacking?
mustn't you be stacking?
mustn't they be stacking?
Perfect
mustn't I have stacked?mustn't you have stacked?
mustn't he have stacked?
mustn't we have stacked?
mustn't you have stacked?
mustn't they have stacked?
Perfect en V-ing
mustn't I have been stacking?mustn't you have been stacking?
mustn't he have been stacking?
mustn't we have been stacking?
mustn't you have been stacking?
mustn't they have been stacking?