English verb conjugation MAY SUM

Regular verb: sum - summed - summed

Affirmation

Simple form

I may sum
you may sum
she may sum
we may sum
you may sum
they may sum

V-ing form

I may be summing
you may be summing
she may be summing
we may be summing
you may be summing
they may be summing

Perfect

I may have summed
you may have summed
she may have summed
we may have summed
you may have summed
they may have summed

V-ing perfect

I may have been summing
you may have been summing
she may have been summing
we may have been summing
you may have been summing
they may have been summing

Negation

Simple form

I mayn't sum
you mayn't sum
she mayn't sum
we mayn't sum
you mayn't sum
they mayn't sum

V-ing form

I mayn't be summing
you mayn't be summing
she mayn't be summing
we mayn't be summing
you mayn't be summing
they mayn't be summing

Perfect

I mayn't have summed
you mayn't have summed
she mayn't have summed
we mayn't have summed
you mayn't have summed
they mayn't have summed

V-ing perfect

I mayn't have been summing
you mayn't have been summing
she mayn't have been summing
we mayn't have been summing
you mayn't have been summing
they mayn't have been summing

Interrogative form

Simple form

may I sum?
may you sum?
may she sum?
may we sum?
may you sum?
may they sum?

V-ing form

may I be summing?
may you be summing?
may she be summing?
may we be summing?
may you be summing?
may they be summing?

Perfect

may I have summed?
may you have summed?
may she have summed?
may we have summed?
may you have summed?
may they have summed?

V-ing perfect

may I have been summing?
may you have been summing?
may she have been summing?
may we have been summing?
may you have been summing?
may they have been summing?

Interro-negative form

Simple form

mayn't I sum?
mayn't you sum?
mayn't she sum?
mayn't we sum?
mayn't you sum?
mayn't they sum?

V-ing form

mayn't I be summing?
mayn't you be summing?
mayn't she be summing?
mayn't we be summing?
mayn't you be summing?
mayn't they be summing?

Perfect

mayn't I have summed?
mayn't you have summed?
mayn't she have summed?
mayn't we have summed?
mayn't you have summed?
mayn't they have summed?

V-ing perfect

mayn't I have been summing?
mayn't you have been summing?
mayn't she have been summing?
mayn't we have been summing?
mayn't you have been summing?
mayn't they have been summing?

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