English verb conjugation COULD CONVULSE

Regular verb: convulse - convulsed - convulsed

Affirmation

Simple form

I could convulse
you could convulse
he could convulse
we could convulse
you could convulse
they could convulse

V-ing form

I could be convulsing
you could be convulsing
he could be convulsing
we could be convulsing
you could be convulsing
they could be convulsing

Perfect

I could have convulsed
you could have convulsed
he could have convulsed
we could have convulsed
you could have convulsed
they could have convulsed

V-ing perfect

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

Negation

Simple form

I could not convulse
you could not convulse
he could not convulse
we could not convulse
you could not convulse
they could not convulse

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I convulse?
could you convulse?
could he convulse?
could we convulse?
could you convulse?
could they convulse?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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