English verb conjugation COULD SUMMATE

Regular verb: summate - summated - summated

Affirmation

Simple form

I could summate
you could summate
he could summate
we could summate
you could summate
they could summate

V-ing form

I could be summating
you could be summating
he could be summating
we could be summating
you could be summating
they could be summating

Perfect

I could have summated
you could have summated
he could have summated
we could have summated
you could have summated
they could have summated

V-ing perfect

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

Negation

Simple form

I couldn't summate
you couldn't summate
he couldn't summate
we couldn't summate
you couldn't summate
they couldn't summate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I summate?
could you summate?
could he summate?
could we summate?
could you summate?
could they summate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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