English verb conjugation
COULD VOLATILIZE

Regular verb: volatilize - volatilized - volatilized

Affirmation

Simple form	V-ing form
I could volatilize you could volatilize she could volatilize we could volatilize you could volatilize they could volatilize	I could be volatilizing you could be volatilizing she could be volatilizing we could be volatilizing you could be volatilizing they could be volatilizing
Perfect	V-ing perfect
I could have volatilized you could have volatilized she could have volatilized we could have volatilized you could have volatilized they could have volatilized	I could have been volatilizing you could have been volatilizing she could have been volatilizing we could have been volatilizing you could have been volatilizing they could have been volatilizing

Negation

Simple form	V-ing form
I couldn't volatilize you couldn't volatilize she couldn't volatilize we couldn't volatilize you couldn't volatilize they couldn't volatilize	I couldn't be volatilizing you couldn't be volatilizing she couldn't be volatilizing we couldn't be volatilizing you couldn't be volatilizing they couldn't be volatilizing
Perfect	V-ing perfect
I couldn't have volatilized you couldn't have volatilized she couldn't have volatilized we couldn't have volatilized you couldn't have volatilized they couldn't have volatilized	I couldn't have been volatilizing you couldn't have been volatilizing she couldn't have been volatilizing we couldn't have been volatilizing you couldn't have been volatilizing they couldn't have been volatilizing

Interrogative form

Simple form	V-ing form
could I volatilize? could you volatilize? could she volatilize? could we volatilize? could you volatilize? could they volatilize?	could I be volatilizing? could you be volatilizing? could she be volatilizing? could we be volatilizing? could you be volatilizing? could they be volatilizing?
Perfect	V-ing perfect
could I have volatilized? could you have volatilized? could she have volatilized? could we have volatilized? could you have volatilized? could they have volatilized?	could I have been volatilizing? could you have been volatilizing? could she have been volatilizing? could we have been volatilizing? could you have been volatilizing? could they have been volatilizing?

Interro-negative form

Simple form	V-ing form
couldn't I volatilize? couldn't you volatilize? couldn't she volatilize? couldn't we volatilize? couldn't you volatilize? couldn't they volatilize?	couldn't I be volatilizing? couldn't you be volatilizing? couldn't she be volatilizing? couldn't we be volatilizing? couldn't you be volatilizing? couldn't they be volatilizing?
Perfect	V-ing perfect
couldn't I have volatilized? couldn't you have volatilized? couldn't she have volatilized? couldn't we have volatilized? couldn't you have volatilized? couldn't they have volatilized?	couldn't I have been volatilizing? couldn't you have been volatilizing? couldn't she have been volatilizing? couldn't we have been volatilizing? couldn't you have been volatilizing? couldn't they have been volatilizing?