I could volatilize you could volatilize she could volatilize we could volatilize you could volatilize they could volatilize
V-ing form
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
I could have volatilized you could have volatilized she could have volatilized we could have volatilized you could have volatilized they could have volatilized
V-ing perfect
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
I could not volatilize you could not volatilize she could not volatilize we could not volatilize you could not volatilize they could not volatilize
V-ing form
I could not be volatilizing you could not be volatilizing she could not be volatilizing we could not be volatilizing you could not be volatilizing they could not be volatilizing
Perfect
I could not have volatilized you could not have volatilized she could not have volatilized we could not have volatilized you could not have volatilized they could not have volatilized
V-ing perfect
I could not have been volatilizing you could not have been volatilizing she could not have been volatilizing we could not have been volatilizing you could not have been volatilizing they could not have been volatilizing
Interrogative form
Simple form
could I volatilize? could you volatilize? could she volatilize? could we volatilize? could you volatilize? could they volatilize?
V-ing form
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
could I have volatilized? could you have volatilized? could she have volatilized? could we have volatilized? could you have volatilized? could they have volatilized?
V-ing perfect
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
could I not volatilize? could you not volatilize? could she not volatilize? could we not volatilize? could you not volatilize? could they not volatilize?
V-ing form
could I not be volatilizing? could you not be volatilizing? could she not be volatilizing? could we not be volatilizing? could you not be volatilizing? could they not be volatilizing?
Perfect
could I not have volatilized? could you not have volatilized? could she not have volatilized? could we not have volatilized? could you not have volatilized? could they not have volatilized?
V-ing perfect
could I not have been volatilizing? could you not have been volatilizing? could she not have been volatilizing? could we not have been volatilizing? could you not have been volatilizing? could they not have been volatilizing?