English verb conjugation
COULD DIABOLIZE

Regular verb: diabolize - diabolized - diabolized

Affirmation

Simple form	V-ing form
I could diabolize you could diabolize she could diabolize we could diabolize you could diabolize they could diabolize	I could be diabolizing you could be diabolizing she could be diabolizing we could be diabolizing you could be diabolizing they could be diabolizing
Perfect	V-ing perfect
I could have diabolized you could have diabolized she could have diabolized we could have diabolized you could have diabolized they could have diabolized	I could have been diabolizing you could have been diabolizing she could have been diabolizing we could have been diabolizing you could have been diabolizing they could have been diabolizing

Negation

Simple form	V-ing form
I couldn't diabolize you couldn't diabolize she couldn't diabolize we couldn't diabolize you couldn't diabolize they couldn't diabolize	I couldn't be diabolizing you couldn't be diabolizing she couldn't be diabolizing we couldn't be diabolizing you couldn't be diabolizing they couldn't be diabolizing
Perfect	V-ing perfect
I couldn't have diabolized you couldn't have diabolized she couldn't have diabolized we couldn't have diabolized you couldn't have diabolized they couldn't have diabolized	I couldn't have been diabolizing you couldn't have been diabolizing she 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	V-ing form
could I diabolize? could you diabolize? could she diabolize? could we diabolize? could you diabolize? could they diabolize?	could I be diabolizing? could you be diabolizing? could she be diabolizing? could we be diabolizing? could you be diabolizing? could they be diabolizing?
Perfect	V-ing perfect
could I have diabolized? could you have diabolized? could she have diabolized? could we have diabolized? could you have diabolized? could they have diabolized?	could I have been diabolizing? could you have been diabolizing? could she have been diabolizing? could we have been diabolizing? could you have been diabolizing? could they have been diabolizing?

Interro-negative form

Simple form	V-ing form
couldn't I diabolize? couldn't you diabolize? couldn't she diabolize? couldn't we diabolize? couldn't you diabolize? couldn't they diabolize?	couldn't I be diabolizing? couldn't you be diabolizing? couldn't she be diabolizing? couldn't we be diabolizing? couldn't you be diabolizing? couldn't they be diabolizing?
Perfect	V-ing perfect
couldn't I have diabolized? couldn't you have diabolized? couldn't she have diabolized? couldn't we have diabolized? couldn't you have diabolized? couldn't they have diabolized?	couldn't I have been diabolizing? couldn't you have been diabolizing? couldn't she have been diabolizing? couldn't we have been diabolizing? couldn't you have been diabolizing? couldn't they have been diabolizing?