English verb conjugation MAY STIFF

Regular verb: stiff - stiffed - stiffed

Affirmation

Simple form

I may stiff
you may stiff
he may stiff
we may stiff
you may stiff
they may stiff

V-ing form

I may be stiffing
you may be stiffing
he may be stiffing
we may be stiffing
you may be stiffing
they may be stiffing

Perfect

I may have stiffed
you may have stiffed
he may have stiffed
we may have stiffed
you may have stiffed
they may have stiffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

may I stiff?
may you stiff?
may he stiff?
may we stiff?
may you stiff?
may they stiff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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