English verb conjugation MAY STACK

Regular verb: stack - stacked - stacked

Affirmation

Simple form

I may stack
you may stack
he may stack
we may stack
you may stack
they may stack

V-ing form

I may be stacking
you may be stacking
he may be stacking
we may be stacking
you may be stacking
they may be stacking

Perfect

I may have stacked
you may have stacked
he may have stacked
we may have stacked
you may have stacked
they may have stacked

V-ing perfect

I may have been stacking
you may have been stacking
he may have been stacking
we may have been stacking
you may have been stacking
they may have been stacking

Negation

Simple form

I mayn't stack
you mayn't stack
he mayn't stack
we mayn't stack
you mayn't stack
they mayn't stack

V-ing form

I mayn't be stacking
you mayn't be stacking
he mayn't be stacking
we mayn't be stacking
you mayn't be stacking
they mayn't be stacking

Perfect

I mayn't have stacked
you mayn't have stacked
he mayn't have stacked
we mayn't have stacked
you mayn't have stacked
they mayn't have stacked

V-ing perfect

I mayn't have been stacking
you mayn't have been stacking
he mayn't have been stacking
we mayn't have been stacking
you mayn't have been stacking
they mayn't have been stacking

Interrogative form

Simple form

may I stack?
may you stack?
may he stack?
may we stack?
may you stack?
may they stack?

V-ing form

may I be stacking?
may you be stacking?
may he be stacking?
may we be stacking?
may you be stacking?
may they be stacking?

Perfect

may I have stacked?
may you have stacked?
may he have stacked?
may we have stacked?
may you have stacked?
may they have stacked?

V-ing perfect

may I have been stacking?
may you have been stacking?
may he have been stacking?
may we have been stacking?
may you have been stacking?
may they have been stacking?

Interro-negative form

Simple form

mayn't I stack?
mayn't you stack?
mayn't he stack?
mayn't we stack?
mayn't you stack?
mayn't they stack?

V-ing form

mayn't I be stacking?
mayn't you be stacking?
mayn't he be stacking?
mayn't we be stacking?
mayn't you be stacking?
mayn't they be stacking?

Perfect

mayn't I have stacked?
mayn't you have stacked?
mayn't he have stacked?
mayn't we have stacked?
mayn't you have stacked?
mayn't they have stacked?

V-ing perfect

mayn't I have been stacking?
mayn't you have been stacking?
mayn't he have been stacking?
mayn't we have been stacking?
mayn't you have been stacking?
mayn't they have been stacking?

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