English verb conjugation
COULD AGONIZE

Regular verb: agonize - agonized - agonized

Affirmation

Simple form	V-ing form
I could agonize you could agonize he could agonize we could agonize you could agonize they could agonize	I could be agonizing you could be agonizing he could be agonizing we could be agonizing you could be agonizing they could be agonizing
Perfect	V-ing perfect
I could have agonized you could have agonized he could have agonized we could have agonized you could have agonized they could have agonized	I could have been agonizing you could have been agonizing he could have been agonizing we could have been agonizing you could have been agonizing they could have been agonizing

Negation

Simple form	V-ing form
I couldn't agonize you couldn't agonize he couldn't agonize we couldn't agonize you couldn't agonize they couldn't agonize	I couldn't be agonizing you couldn't be agonizing he couldn't be agonizing we couldn't be agonizing you couldn't be agonizing they couldn't be agonizing
Perfect	V-ing perfect
I couldn't have agonized you couldn't have agonized he couldn't have agonized we couldn't have agonized you couldn't have agonized they couldn't have agonized	I couldn't have been agonizing you couldn't have been agonizing he couldn't have been agonizing we couldn't have been agonizing you couldn't have been agonizing they couldn't have been agonizing

Interrogative form

Simple form	V-ing form
could I agonize? could you agonize? could he agonize? could we agonize? could you agonize? could they agonize?	could I be agonizing? could you be agonizing? could he be agonizing? could we be agonizing? could you be agonizing? could they be agonizing?
Perfect	V-ing perfect
could I have agonized? could you have agonized? could he have agonized? could we have agonized? could you have agonized? could they have agonized?	could I have been agonizing? could you have been agonizing? could he have been agonizing? could we have been agonizing? could you have been agonizing? could they have been agonizing?

Interro-negative form

Simple form	V-ing form
couldn't I agonize? couldn't you agonize? couldn't he agonize? couldn't we agonize? couldn't you agonize? couldn't they agonize?	couldn't I be agonizing? couldn't you be agonizing? couldn't he be agonizing? couldn't we be agonizing? couldn't you be agonizing? couldn't they be agonizing?
Perfect	V-ing perfect
couldn't I have agonized? couldn't you have agonized? couldn't he have agonized? couldn't we have agonized? couldn't you have agonized? couldn't they have agonized?	couldn't I have been agonizing? couldn't you have been agonizing? couldn't he have been agonizing? couldn't we have been agonizing? couldn't you have been agonizing? couldn't they have been agonizing?