English verb conjugation COULD FLICKER

Regular verb: flicker - flickered - flickered

Affirmation

Simple form

I could flicker
you could flicker
he could flicker
we could flicker
you could flicker
they could flicker

V-ing form

I could be flickering
you could be flickering
he could be flickering
we could be flickering
you could be flickering
they could be flickering

Perfect

I could have flickered
you could have flickered
he could have flickered
we could have flickered
you could have flickered
they could have flickered

V-ing perfect

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

Negation

Simple form

I could not flicker
you could not flicker
he could not flicker
we could not flicker
you could not flicker
they could not flicker

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I flicker?
could you flicker?
could he flicker?
could we flicker?
could you flicker?
could they flicker?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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