English verb conjugation COULD VOLUNTEER

Regular verb: volunteer - volunteered - volunteered

Affirmation

Simple form

I could volunteer
you could volunteer
he could volunteer
we could volunteer
you could volunteer
they could volunteer

V-ing form

I could be volunteering
you could be volunteering
he could be volunteering
we could be volunteering
you could be volunteering
they could be volunteering

Perfect

I could have volunteered
you could have volunteered
he could have volunteered
we could have volunteered
you could have volunteered
they could have volunteered

V-ing perfect

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

Negation

Simple form

I could not volunteer
you could not volunteer
he could not volunteer
we could not volunteer
you could not volunteer
they could not volunteer

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I volunteer?
could you volunteer?
could he volunteer?
could we volunteer?
could you volunteer?
could they volunteer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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