English verb conjugation COULD FEATHER

Regular verb: feather - feathered - feathered

Affirmation

Simple form

I could feather
you could feather
he could feather
we could feather
you could feather
they could feather

V-ing form

I could be feathering
you could be feathering
he could be feathering
we could be feathering
you could be feathering
they could be feathering

Perfect

I could have feathered
you could have feathered
he could have feathered
we could have feathered
you could have feathered
they could have feathered

V-ing perfect

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

Negation

Simple form

I could not feather
you could not feather
he could not feather
we could not feather
you could not feather
they could not feather

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I feather?
could you feather?
could he feather?
could we feather?
could you feather?
could they feather?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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