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 couldn't diabolise
you couldn't diabolise
he couldn't diabolise
we couldn't diabolise
you couldn't diabolise
they couldn't diabolise

V-ing form

I couldn't be diabolising
you couldn't be diabolising
he couldn't be diabolising
we couldn't be diabolising
you couldn't be diabolising
they couldn't be diabolising

Perfect

I couldn't have diabolised
you couldn't have diabolised
he couldn't have diabolised
we couldn't have diabolised
you couldn't have diabolised
they couldn't have diabolised

V-ing perfect

I couldn't have been diabolising
you couldn't have been diabolising
he couldn't have been diabolising
we couldn't have been diabolising
you couldn't have been diabolising
they couldn't 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

couldn't I diabolise?
couldn't you diabolise?
couldn't he diabolise?
couldn't we diabolise?
couldn't you diabolise?
couldn't they diabolise?

V-ing form

couldn't I be diabolising?
couldn't you be diabolising?
couldn't he be diabolising?
couldn't we be diabolising?
couldn't you be diabolising?
couldn't they be diabolising?

Perfect

couldn't I have diabolised?
couldn't you have diabolised?
couldn't he have diabolised?
couldn't we have diabolised?
couldn't you have diabolised?
couldn't they have diabolised?

V-ing perfect

couldn't I have been diabolising?
couldn't you have been diabolising?
couldn't he have been diabolising?
couldn't we have been diabolising?
couldn't you have been diabolising?
couldn't they have been diabolising?

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