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 couldn't summon
you couldn't summon
he couldn't summon
we couldn't summon
you couldn't summon
they couldn't summon

V-ing form

I couldn't be summoning
you couldn't be summoning
he couldn't be summoning
we couldn't be summoning
you couldn't be summoning
they couldn't be summoning

Perfect

I couldn't have summoned
you couldn't have summoned
he couldn't have summoned
we couldn't have summoned
you couldn't have summoned
they couldn't have summoned

V-ing perfect

I couldn't have been summoning
you couldn't have been summoning
he couldn't have been summoning
we couldn't have been summoning
you couldn't have been summoning
they couldn't 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

couldn't I summon?
couldn't you summon?
couldn't he summon?
couldn't we summon?
couldn't you summon?
couldn't they summon?

V-ing form

couldn't I be summoning?
couldn't you be summoning?
couldn't he be summoning?
couldn't we be summoning?
couldn't you be summoning?
couldn't they be summoning?

Perfect

couldn't I have summoned?
couldn't you have summoned?
couldn't he have summoned?
couldn't we have summoned?
couldn't you have summoned?
couldn't they have summoned?

V-ing perfect

couldn't I have been summoning?
couldn't you have been summoning?
couldn't he have been summoning?
couldn't we have been summoning?
couldn't you have been summoning?
couldn't they have been summoning?

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