I may lithograph you may lithograph he may lithograph we may lithograph you may lithograph they may lithograph
V-ing form
I may be lithographing you may be lithographing he may be lithographing we may be lithographing you may be lithographing they may be lithographing
Perfect
I may have lithographed you may have lithographed he may have lithographed we may have lithographed you may have lithographed they may have lithographed
V-ing perfect
I may have been lithographing you may have been lithographing he may have been lithographing we may have been lithographing you may have been lithographing they may have been lithographing
Negation
Simple form
I may not lithograph you may not lithograph he may not lithograph we may not lithograph you may not lithograph they may not lithograph
V-ing form
I may not be lithographing you may not be lithographing he may not be lithographing we may not be lithographing you may not be lithographing they may not be lithographing
Perfect
I may not have lithographed you may not have lithographed he may not have lithographed we may not have lithographed you may not have lithographed they may not have lithographed
V-ing perfect
I may not have been lithographing you may not have been lithographing he may not have been lithographing we may not have been lithographing you may not have been lithographing they may not have been lithographing
Interrogative form
Simple form
may I lithograph? may you lithograph? may he lithograph? may we lithograph? may you lithograph? may they lithograph?
V-ing form
may I be lithographing? may you be lithographing? may he be lithographing? may we be lithographing? may you be lithographing? may they be lithographing?
Perfect
may I have lithographed? may you have lithographed? may he have lithographed? may we have lithographed? may you have lithographed? may they have lithographed?
V-ing perfect
may I have been lithographing? may you have been lithographing? may he have been lithographing? may we have been lithographing? may you have been lithographing? may they have been lithographing?
Interro-negative form
Simple form
may I not lithograph? may you not lithograph? may he not lithograph? may we not lithograph? may you not lithograph? may they not lithograph?
V-ing form
may I not be lithographing? may you not be lithographing? may he not be lithographing? may we not be lithographing? may you not be lithographing? may they not be lithographing?
Perfect
may I not have lithographed? may you not have lithographed? may he not have lithographed? may we not have lithographed? may you not have lithographed? may they not have lithographed?
V-ing perfect
may I not have been lithographing? may you not have been lithographing? may he not have been lithographing? may we not have been lithographing? may you not have been lithographing? may they not have been lithographing?