English verb conjugation COULD SKIPPER

Regular verb: skipper - skippered - skippered

Affirmation

Simple form

I could skipper
you could skipper
he could skipper
we could skipper
you could skipper
they could skipper

V-ing form

I could be skippering
you could be skippering
he could be skippering
we could be skippering
you could be skippering
they could be skippering

Perfect

I could have skippered
you could have skippered
he could have skippered
we could have skippered
you could have skippered
they could have skippered

V-ing perfect

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

Negation

Simple form

I could not skipper
you could not skipper
he could not skipper
we could not skipper
you could not skipper
they could not skipper

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I skipper?
could you skipper?
could he skipper?
could we skipper?
could you skipper?
could they skipper?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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