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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

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
she may stiffer
we may stiffer
you may stiffer
they may stiffer
V-ing form
I may be stiffering
you may be stiffering
she may be stiffering
we may be stiffering
you may be stiffering
they may be stiffering
Perfect
I may have stiffered
you may have stiffered
she 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
she may have been stiffering
we may have been stiffering
you may have been stiffering
they may have been stiffering

Negation

Simple form
I mayn't stiffer
you mayn't stiffer
she mayn't stiffer
we mayn't stiffer
you mayn't stiffer
they mayn't stiffer
V-ing form
I mayn't be stiffering
you mayn't be stiffering
she mayn't be stiffering
we mayn't be stiffering
you mayn't be stiffering
they mayn't be stiffering
Perfect
I mayn't have stiffered
you mayn't have stiffered
she mayn't have stiffered
we mayn't have stiffered
you mayn't have stiffered
they mayn't have stiffered
V-ing perfect
I mayn't have been stiffering
you mayn't have been stiffering
she mayn't have been stiffering
we mayn't have been stiffering
you mayn't have been stiffering
they mayn't have been stiffering

Interrogative form

Simple form
may I stiffer?
may you stiffer?
may she stiffer?
may we stiffer?
may you stiffer?
may they stiffer?
V-ing form
may I be stiffering?
may you be stiffering?
may she be stiffering?
may we be stiffering?
may you be stiffering?
may they be stiffering?
Perfect
may I have stiffered?
may you have stiffered?
may she 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 she have been stiffering?
may we have been stiffering?
may you have been stiffering?
may they have been stiffering?

Interro-negative form

Simple form
mayn't I stiffer?
mayn't you stiffer?
mayn't she stiffer?
mayn't we stiffer?
mayn't you stiffer?
mayn't they stiffer?
V-ing form
mayn't I be stiffering?
mayn't you be stiffering?
mayn't she be stiffering?
mayn't we be stiffering?
mayn't you be stiffering?
mayn't they be stiffering?
Perfect
mayn't I have stiffered?
mayn't you have stiffered?
mayn't she have stiffered?
mayn't we have stiffered?
mayn't you have stiffered?
mayn't they have stiffered?
V-ing perfect
mayn't I have been stiffering?
mayn't you have been stiffering?
mayn't she have been stiffering?
mayn't we have been stiffering?
mayn't you have been stiffering?
mayn't they have been stiffering?