English verb conjugation MAY SUM

Regular verb: sum - summed - summed

Affirmation

Simple form

I may sum
you may sum
he may sum
we may sum
you may sum
they may sum

V-ing form

I may be summing
you may be summing
he may be summing
we may be summing
you may be summing
they may be summing

Perfect

I may have summed
you 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 summing
you 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 mayn't sum
you mayn't sum
he 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
he 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
he 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
he 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 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

mayn't I sum?
mayn't you sum?
mayn't he 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 he 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 he 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 he 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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