female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MAY SUM
Regular verb: sum - summed - summed
Affirmation
Simple form
I may sumyou may sum
he may sum
we may sum
you may sum
they may sum
V-ing form
I may be summingyou may be summing
he may be summing
we may be summing
you may be summing
they may be summing
Perfect
I may have summedyou may have summed
he may have summed
we may have summed
you may have summed
they may have summed
V-ing perfect
I may have been summingyou may have been summing
he 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 sumyou may not sum
he may not sum
we may not sum
you may not sum
they may not sum
V-ing form
I may not be summingyou may not be summing
he may not be summing
we may not be summing
you may not be summing
they may not be summing
Perfect
I may not have summedyou may not have summed
he 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 summingyou may not have been summing
he 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 he sum?
may we sum?
may you sum?
may they sum?
V-ing form
may I be summing?may you be summing?
may he be summing?
may we be summing?
may you be summing?
may they be summing?
Perfect
may I have summed?may you have summed?
may he 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 he 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 he 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 he 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 he 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 he not have been summing?
may we not have been summing?
may you not have been summing?
may they not have been summing?