English verb conjugation
COULD EUTHANIZE

Regular verb: euthanize - euthanized - euthanized

Affirmation

Simple form	V-ing form
I could euthanize you could euthanize she could euthanize we could euthanize you could euthanize they could euthanize	I could be euthanizing you could be euthanizing she could be euthanizing we could be euthanizing you could be euthanizing they could be euthanizing
Perfect	V-ing perfect
I could have euthanized you could have euthanized she could have euthanized we could have euthanized you could have euthanized they could have euthanized	I could have been euthanizing you could have been euthanizing she could have been euthanizing we could have been euthanizing you could have been euthanizing they could have been euthanizing

Negation

Simple form	V-ing form
I couldn't euthanize you couldn't euthanize she couldn't euthanize we couldn't euthanize you couldn't euthanize they couldn't euthanize	I couldn't be euthanizing you couldn't be euthanizing she couldn't be euthanizing we couldn't be euthanizing you couldn't be euthanizing they couldn't be euthanizing
Perfect	V-ing perfect
I couldn't have euthanized you couldn't have euthanized she couldn't have euthanized we couldn't have euthanized you couldn't have euthanized they couldn't have euthanized	I couldn't have been euthanizing you couldn't have been euthanizing she couldn't have been euthanizing we couldn't have been euthanizing you couldn't have been euthanizing they couldn't have been euthanizing

Interrogative form

Simple form	V-ing form
could I euthanize? could you euthanize? could she euthanize? could we euthanize? could you euthanize? could they euthanize?	could I be euthanizing? could you be euthanizing? could she be euthanizing? could we be euthanizing? could you be euthanizing? could they be euthanizing?
Perfect	V-ing perfect
could I have euthanized? could you have euthanized? could she have euthanized? could we have euthanized? could you have euthanized? could they have euthanized?	could I have been euthanizing? could you have been euthanizing? could she have been euthanizing? could we have been euthanizing? could you have been euthanizing? could they have been euthanizing?

Interro-negative form

Simple form	V-ing form
couldn't I euthanize? couldn't you euthanize? couldn't she euthanize? couldn't we euthanize? couldn't you euthanize? couldn't they euthanize?	couldn't I be euthanizing? couldn't you be euthanizing? couldn't she be euthanizing? couldn't we be euthanizing? couldn't you be euthanizing? couldn't they be euthanizing?
Perfect	V-ing perfect
couldn't I have euthanized? couldn't you have euthanized? couldn't she have euthanized? couldn't we have euthanized? couldn't you have euthanized? couldn't they have euthanized?	couldn't I have been euthanizing? couldn't you have been euthanizing? couldn't she have been euthanizing? couldn't we have been euthanizing? couldn't you have been euthanizing? couldn't they have been euthanizing?