English verb conjugation COULD FURTHER

Regular verb: further - furthered - furthered

Affirmation

Simple form

I could further
you could further
she could further
we could further
you could further
they could further

V-ing form

I could be furthering
you could be furthering
she could be furthering
we could be furthering
you could be furthering
they could be furthering

Perfect

I could have furthered
you could have furthered
she could have furthered
we could have furthered
you could have furthered
they could have furthered

V-ing perfect

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

Negation

Simple form

I could not further
you could not further
she could not further
we could not further
you could not further
they could not further

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I further?
could you further?
could she further?
could we further?
could you further?
could they further?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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