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 may not sum
you may not sum
she may not sum
we may not sum
you may not sum
they may not sum

V-ing form

I may not be summing
you may not be summing
she may not be summing
we may not be summing
you may not be summing
they may not be summing

Perfect

I may not have summed
you may not have summed
she may not have summed
we may not have summed
you may not have summed
they may not have summed

V-ing perfect

I may not have been summing
you may not have been summing
she may not have been summing
we may not have been summing
you may not have been summing
they may not 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

may I not sum?
may you not sum?
may she not sum?
may we not sum?
may you not sum?
may they not sum?

V-ing form

may I not be summing?
may you not be summing?
may she not be summing?
may we not be summing?
may you not be summing?
may they not be summing?

Perfect

may I not have summed?
may you not have summed?
may she not have summed?
may we not have summed?
may you not have summed?
may they not have summed?

V-ing perfect

may I not have been summing?
may you not have been summing?
may she not have been summing?
may we not have been summing?
may you not have been summing?
may they not have been summing?

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