English verb conjugation COULD CONTEST

Regular verb: contest - contested - contested


Affirmation

Simple form

I could contest
you could contest
he could contest
we could contest
you could contest
they could contest

V-ing form

I could be contesting
you could be contesting
he could be contesting
we could be contesting
you could be contesting
they could be contesting

Perfect

I could have contested
you could have contested
he could have contested
we could have contested
you could have contested
they could have contested

V-ing perfect

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

Negation

Simple form

I could not contest
you could not contest
he could not contest
we could not contest
you could not contest
they could not contest

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I contest?
could you contest?
could he contest?
could we contest?
could you contest?
could they contest?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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