English verb conjugation COULD FIGHT

Irregular verb: fight - fought - fought


Affirmation

Simple form

I could fight
you could fight
he could fight
we could fight
you could fight
they could fight

V-ing form

I could be fighting
you could be fighting
he could be fighting
we could be fighting
you could be fighting
they could be fighting

Perfect

I could have fought
you could have fought
he could have fought
we could have fought
you could have fought
they could have fought

V-ing perfect

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

Negation

Simple form

I could not fight
you could not fight
he could not fight
we could not fight
you could not fight
they could not fight

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I fight?
could you fight?
could he fight?
could we fight?
could you fight?
could they fight?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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