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 may not stiff
you may not stiff
he may not stiff
we may not stiff
you may not stiff
they may not stiff

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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