I may prefertilize you may prefertilize she may prefertilize we may prefertilize you may prefertilize they may prefertilize
V-ing form
I may be prefertilizing you may be prefertilizing she may be prefertilizing we may be prefertilizing you may be prefertilizing they may be prefertilizing
Perfect
I may have prefertilized you may have prefertilized she may have prefertilized we may have prefertilized you may have prefertilized they may have prefertilized
V-ing perfect
I may have been prefertilizing you may have been prefertilizing she may have been prefertilizing we may have been prefertilizing you may have been prefertilizing they may have been prefertilizing
Negation
Simple form
I mayn't prefertilize you mayn't prefertilize she mayn't prefertilize we mayn't prefertilize you mayn't prefertilize they mayn't prefertilize
V-ing form
I mayn't be prefertilizing you mayn't be prefertilizing she mayn't be prefertilizing we mayn't be prefertilizing you mayn't be prefertilizing they mayn't be prefertilizing
Perfect
I mayn't have prefertilized you mayn't have prefertilized she mayn't have prefertilized we mayn't have prefertilized you mayn't have prefertilized they mayn't have prefertilized
V-ing perfect
I mayn't have been prefertilizing you mayn't have been prefertilizing she mayn't have been prefertilizing we mayn't have been prefertilizing you mayn't have been prefertilizing they mayn't have been prefertilizing
Interrogative form
Simple form
may I prefertilize? may you prefertilize? may she prefertilize? may we prefertilize? may you prefertilize? may they prefertilize?
V-ing form
may I be prefertilizing? may you be prefertilizing? may she be prefertilizing? may we be prefertilizing? may you be prefertilizing? may they be prefertilizing?
Perfect
may I have prefertilized? may you have prefertilized? may she have prefertilized? may we have prefertilized? may you have prefertilized? may they have prefertilized?
V-ing perfect
may I have been prefertilizing? may you have been prefertilizing? may she have been prefertilizing? may we have been prefertilizing? may you have been prefertilizing? may they have been prefertilizing?
Interro-negative form
Simple form
mayn't I prefertilize? mayn't you prefertilize? mayn't she prefertilize? mayn't we prefertilize? mayn't you prefertilize? mayn't they prefertilize?
V-ing form
mayn't I be prefertilizing? mayn't you be prefertilizing? mayn't she be prefertilizing? mayn't we be prefertilizing? mayn't you be prefertilizing? mayn't they be prefertilizing?
Perfect
mayn't I have prefertilized? mayn't you have prefertilized? mayn't she have prefertilized? mayn't we have prefertilized? mayn't you have prefertilized? mayn't they have prefertilized?
V-ing perfect
mayn't I have been prefertilizing? mayn't you have been prefertilizing? mayn't she have been prefertilizing? mayn't we have been prefertilizing? mayn't you have been prefertilizing? mayn't they have been prefertilizing?