I could gelatinize you could gelatinize she could gelatinize we could gelatinize you could gelatinize they could gelatinize
V-ing form
I could be gelatinizing you could be gelatinizing she could be gelatinizing we could be gelatinizing you could be gelatinizing they could be gelatinizing
Perfect
I could have gelatinized you could have gelatinized she could have gelatinized we could have gelatinized you could have gelatinized they could have gelatinized
V-ing perfect
I could have been gelatinizing you could have been gelatinizing she could have been gelatinizing we could have been gelatinizing you could have been gelatinizing they could have been gelatinizing
Negation
Simple form
I could not gelatinize you could not gelatinize she could not gelatinize we could not gelatinize you could not gelatinize they could not gelatinize
V-ing form
I could not be gelatinizing you could not be gelatinizing she could not be gelatinizing we could not be gelatinizing you could not be gelatinizing they could not be gelatinizing
Perfect
I could not have gelatinized you could not have gelatinized she could not have gelatinized we could not have gelatinized you could not have gelatinized they could not have gelatinized
V-ing perfect
I could not have been gelatinizing you could not have been gelatinizing she could not have been gelatinizing we could not have been gelatinizing you could not have been gelatinizing they could not have been gelatinizing
Interrogative form
Simple form
could I gelatinize? could you gelatinize? could she gelatinize? could we gelatinize? could you gelatinize? could they gelatinize?
V-ing form
could I be gelatinizing? could you be gelatinizing? could she be gelatinizing? could we be gelatinizing? could you be gelatinizing? could they be gelatinizing?
Perfect
could I have gelatinized? could you have gelatinized? could she have gelatinized? could we have gelatinized? could you have gelatinized? could they have gelatinized?
V-ing perfect
could I have been gelatinizing? could you have been gelatinizing? could she have been gelatinizing? could we have been gelatinizing? could you have been gelatinizing? could they have been gelatinizing?
Interro-negative form
Simple form
could I not gelatinize? could you not gelatinize? could she not gelatinize? could we not gelatinize? could you not gelatinize? could they not gelatinize?
V-ing form
could I not be gelatinizing? could you not be gelatinizing? could she not be gelatinizing? could we not be gelatinizing? could you not be gelatinizing? could they not be gelatinizing?
Perfect
could I not have gelatinized? could you not have gelatinized? could she not have gelatinized? could we not have gelatinized? could you not have gelatinized? could they not have gelatinized?
V-ing perfect
could I not have been gelatinizing? could you not have been gelatinizing? could she not have been gelatinizing? could we not have been gelatinizing? could you not have been gelatinizing? could they not have been gelatinizing?