English verb conjugation MAY STIFFER

Regular verb: stiffer - stiffered - stiffered

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I may stiffer
you may stiffer
he may stiffer
we may stiffer
you may stiffer
they may stiffer

V-ing form

I may be stiffering
you may be stiffering
he may be stiffering
we may be stiffering
you may be stiffering
they may be stiffering

Perfect

I may have stiffered
you may have stiffered
he may have stiffered
we may have stiffered
you may have stiffered
they may have stiffered

V-ing perfect

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

Negation

Simple form

I may not stiffer
you may not stiffer
he may not stiffer
we may not stiffer
you may not stiffer
they may not stiffer

V-ing form

I may not be stiffering
you may not be stiffering
he may not be stiffering
we may not be stiffering
you may not be stiffering
they may not be stiffering

Perfect

I may not have stiffered
you may not have stiffered
he may not have stiffered
we may not have stiffered
you may not have stiffered
they may not have stiffered

V-ing perfect

I may not have been stiffering
you may not have been stiffering
he may not have been stiffering
we may not have been stiffering
you may not have been stiffering
they may not have been stiffering

Interrogative form

Simple form

may I stiffer?
may you stiffer?
may he stiffer?
may we stiffer?
may you stiffer?
may they stiffer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

may I not stiffer?
may you not stiffer?
may he not stiffer?
may we not stiffer?
may you not stiffer?
may they not stiffer?

V-ing form

may I not be stiffering?
may you not be stiffering?
may he not be stiffering?
may we not be stiffering?
may you not be stiffering?
may they not be stiffering?

Perfect

may I not have stiffered?
may you not have stiffered?
may he not have stiffered?
may we not have stiffered?
may you not have stiffered?
may they not have stiffered?

V-ing perfect

may I not have been stiffering?
may you not have been stiffering?
may he not have been stiffering?
may we not have been stiffering?
may you not have been stiffering?
may they not have been stiffering?

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