English verb conjugation COULD CONCUSS

Regular verb: concuss - concussed - concussed

Affirmation

Simple form

I could concuss
you could concuss
he could concuss
we could concuss
you could concuss
they could concuss

V-ing form

I could be concussing
you could be concussing
he could be concussing
we could be concussing
you could be concussing
they could be concussing

Perfect

I could have concussed
you could have concussed
he could have concussed
we could have concussed
you could have concussed
they could have concussed

V-ing perfect

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

Negation

Simple form

I could not concuss
you could not concuss
he could not concuss
we could not concuss
you could not concuss
they could not concuss

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I concuss?
could you concuss?
could he concuss?
could we concuss?
could you concuss?
could they concuss?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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