English verb conjugation COULD GANGRENE

Regular verb: gangrene - gangrened - gangrened

Affirmation

Simple form

I could gangrene
you could gangrene
she could gangrene
we could gangrene
you could gangrene
they could gangrene

V-ing form

I could be gangrening
you could be gangrening
she could be gangrening
we could be gangrening
you could be gangrening
they could be gangrening

Perfect

I could have gangrened
you could have gangrened
she could have gangrened
we could have gangrened
you could have gangrened
they could have gangrened

V-ing perfect

I could have been gangrening
you could have been gangrening
she could have been gangrening
we could have been gangrening
you could have been gangrening
they could have been gangrening

Negation

Simple form

I could not gangrene
you could not gangrene
she could not gangrene
we could not gangrene
you could not gangrene
they could not gangrene

V-ing form

I could not be gangrening
you could not be gangrening
she could not be gangrening
we could not be gangrening
you could not be gangrening
they could not be gangrening

Perfect

I could not have gangrened
you could not have gangrened
she could not have gangrened
we could not have gangrened
you could not have gangrened
they could not have gangrened

V-ing perfect

I could not have been gangrening
you could not have been gangrening
she could not have been gangrening
we could not have been gangrening
you could not have been gangrening
they could not have been gangrening

Interrogative form

Simple form

could I gangrene?
could you gangrene?
could she gangrene?
could we gangrene?
could you gangrene?
could they gangrene?

V-ing form

could I be gangrening?
could you be gangrening?
could she be gangrening?
could we be gangrening?
could you be gangrening?
could they be gangrening?

Perfect

could I have gangrened?
could you have gangrened?
could she have gangrened?
could we have gangrened?
could you have gangrened?
could they have gangrened?

V-ing perfect

could I have been gangrening?
could you have been gangrening?
could she have been gangrening?
could we have been gangrening?
could you have been gangrening?
could they have been gangrening?

Interro-negative form

Simple form

could I not gangrene?
could you not gangrene?
could she not gangrene?
could we not gangrene?
could you not gangrene?
could they not gangrene?

V-ing form

could I not be gangrening?
could you not be gangrening?
could she not be gangrening?
could we not be gangrening?
could you not be gangrening?
could they not be gangrening?

Perfect

could I not have gangrened?
could you not have gangrened?
could she not have gangrened?
could we not have gangrened?
could you not have gangrened?
could they not have gangrened?

V-ing perfect

could I not have been gangrening?
could you not have been gangrening?
could she not have been gangrening?
could we not have been gangrening?
could you not have been gangrening?
could they not have been gangrening?

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