English verb conjugation COULD GIBBER

Regular verb: gibber - gibbered - gibbered

Affirmation

Simple form

I could gibber
you could gibber
he could gibber
we could gibber
you could gibber
they could gibber

V-ing form

I could be gibbering
you could be gibbering
he could be gibbering
we could be gibbering
you could be gibbering
they could be gibbering

Perfect

I could have gibbered
you could have gibbered
he could have gibbered
we could have gibbered
you could have gibbered
they could have gibbered

V-ing perfect

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

Negation

Simple form

I could not gibber
you could not gibber
he could not gibber
we could not gibber
you could not gibber
they could not gibber

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I gibber?
could you gibber?
could he gibber?
could we gibber?
could you gibber?
could they gibber?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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