English verb conjugation COULD DIABOLISE

Regular verb: diabolise - diabolised - diabolised

Affirmation

Simple form

I could diabolise
you could diabolise
he could diabolise
we could diabolise
you could diabolise
they could diabolise

V-ing form

I could be diabolising
you could be diabolising
he could be diabolising
we could be diabolising
you could be diabolising
they could be diabolising

Perfect

I could have diabolised
you could have diabolised
he could have diabolised
we could have diabolised
you could have diabolised
they could have diabolised

V-ing perfect

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

Negation

Simple form

I could not diabolise
you could not diabolise
he could not diabolise
we could not diabolise
you could not diabolise
they could not diabolise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I diabolise?
could you diabolise?
could he diabolise?
could we diabolise?
could you diabolise?
could they diabolise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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