English verb conjugation COULD COUNTER

Regular verb: counter - countered - countered

Affirmation

Simple form

I could counter
you could counter
he could counter
we could counter
you could counter
they could counter

V-ing form

I could be countering
you could be countering
he could be countering
we could be countering
you could be countering
they could be countering

Perfect

I could have countered
you could have countered
he could have countered
we could have countered
you could have countered
they could have countered

V-ing perfect

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

Negation

Simple form

I could not counter
you could not counter
he could not counter
we could not counter
you could not counter
they could not counter

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I counter?
could you counter?
could he counter?
could we counter?
could you counter?
could they counter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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