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 couldn't volunteer
you couldn't volunteer
he couldn't volunteer
we couldn't volunteer
you couldn't volunteer
they couldn't volunteer

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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