English verb conjugation COULD CAPTAIN

Regular verb: captain - captained - captained

Affirmation

Simple form

I could captain
you could captain
he could captain
we could captain
you could captain
they could captain

V-ing form

I could be captaining
you could be captaining
he could be captaining
we could be captaining
you could be captaining
they could be captaining

Perfect

I could have captained
you could have captained
he could have captained
we could have captained
you could have captained
they could have captained

V-ing perfect

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

Negation

Simple form

I could not captain
you could not captain
he could not captain
we could not captain
you could not captain
they could not captain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I captain?
could you captain?
could he captain?
could we captain?
could you captain?
could they captain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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