English verb conjugation COULD SUMMON

Regular verb: summon - summoned - summoned

Affirmation

Simple form

I could summon
you could summon
he could summon
we could summon
you could summon
they could summon

V-ing form

I could be summoning
you could be summoning
he could be summoning
we could be summoning
you could be summoning
they could be summoning

Perfect

I could have summoned
you could have summoned
he could have summoned
we could have summoned
you could have summoned
they could have summoned

V-ing perfect

I could have been summoning
you could have been summoning
he could have been summoning
we could have been summoning
you could have been summoning
they could have been summoning

Negation

Simple form

I could not summon
you could not summon
he could not summon
we could not summon
you could not summon
they could not summon

V-ing form

I could not be summoning
you could not be summoning
he could not be summoning
we could not be summoning
you could not be summoning
they could not be summoning

Perfect

I could not have summoned
you could not have summoned
he could not have summoned
we could not have summoned
you could not have summoned
they could not have summoned

V-ing perfect

I could not have been summoning
you could not have been summoning
he could not have been summoning
we could not have been summoning
you could not have been summoning
they could not have been summoning

Interrogative form

Simple form

could I summon?
could you summon?
could he summon?
could we summon?
could you summon?
could they summon?

V-ing form

could I be summoning?
could you be summoning?
could he be summoning?
could we be summoning?
could you be summoning?
could they be summoning?

Perfect

could I have summoned?
could you have summoned?
could he have summoned?
could we have summoned?
could you have summoned?
could they have summoned?

V-ing perfect

could I have been summoning?
could you have been summoning?
could he have been summoning?
could we have been summoning?
could you have been summoning?
could they have been summoning?

Interro-negative form

Simple form

could I not summon?
could you not summon?
could he not summon?
could we not summon?
could you not summon?
could they not summon?

V-ing form

could I not be summoning?
could you not be summoning?
could he not be summoning?
could we not be summoning?
could you not be summoning?
could they not be summoning?

Perfect

could I not have summoned?
could you not have summoned?
could he not have summoned?
could we not have summoned?
could you not have summoned?
could they not have summoned?

V-ing perfect

could I not have been summoning?
could you not have been summoning?
could he not have been summoning?
could we not have been summoning?
could you not have been summoning?
could they not have been summoning?

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