English verb conjugation COULD DIABOLIZE

Regular verb: diabolize - diabolized - diabolized

Affirmation

Simple form

I could diabolize
you could diabolize
he could diabolize
we could diabolize
you could diabolize
they could diabolize

V-ing form

I could be diabolizing
you could be diabolizing
he could be diabolizing
we could be diabolizing
you could be diabolizing
they could be diabolizing

Perfect

I could have diabolized
you could have diabolized
he could have diabolized
we could have diabolized
you could have diabolized
they could have diabolized

V-ing perfect

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

Negation

Simple form

I couldn't diabolize
you couldn't diabolize
he couldn't diabolize
we couldn't diabolize
you couldn't diabolize
they couldn't diabolize

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I diabolize?
could you diabolize?
could he diabolize?
could we diabolize?
could you diabolize?
could they diabolize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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