English verb conjugation MAY STEM

Regular verb: stem - stemmed - stemmed

Affirmation

Simple form

I may stem
you may stem
he may stem
we may stem
you may stem
they may stem

V-ing form

I may be stemming
you may be stemming
he may be stemming
we may be stemming
you may be stemming
they may be stemming

Perfect

I may have stemmed
you may have stemmed
he may have stemmed
we may have stemmed
you may have stemmed
they may have stemmed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

may I stem?
may you stem?
may he stem?
may we stem?
may you stem?
may they stem?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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