English verb conjugation COULD PROLONGATE

Regular verb: prolongate - prolongated - prolongated

Affirmation

Simple form

I could prolongate
you could prolongate
he could prolongate
we could prolongate
you could prolongate
they could prolongate

V-ing form

I could be prolongating
you could be prolongating
he could be prolongating
we could be prolongating
you could be prolongating
they could be prolongating

Perfect

I could have prolongated
you could have prolongated
he could have prolongated
we could have prolongated
you could have prolongated
they could have prolongated

V-ing perfect

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

Negation

Simple form

I could not prolongate
you could not prolongate
he could not prolongate
we could not prolongate
you could not prolongate
they could not prolongate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I prolongate?
could you prolongate?
could he prolongate?
could we prolongate?
could you prolongate?
could they prolongate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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