I may masturbate you may masturbate he may masturbate we may masturbate you may masturbate they may masturbate
V-ing form
I may be masturbating you may be masturbating he may be masturbating we may be masturbating you may be masturbating they may be masturbating
Perfect
I may have masturbated you may have masturbated he may have masturbated we may have masturbated you may have masturbated they may have masturbated
V-ing perfect
I may have been masturbating you may have been masturbating he may have been masturbating we may have been masturbating you may have been masturbating they may have been masturbating
Negation
Simple form
I may not masturbate you may not masturbate he may not masturbate we may not masturbate you may not masturbate they may not masturbate
V-ing form
I may not be masturbating you may not be masturbating he may not be masturbating we may not be masturbating you may not be masturbating they may not be masturbating
Perfect
I may not have masturbated you may not have masturbated he may not have masturbated we may not have masturbated you may not have masturbated they may not have masturbated
V-ing perfect
I may not have been masturbating you may not have been masturbating he may not have been masturbating we may not have been masturbating you may not have been masturbating they may not have been masturbating
Interrogative form
Simple form
may I masturbate? may you masturbate? may he masturbate? may we masturbate? may you masturbate? may they masturbate?
V-ing form
may I be masturbating? may you be masturbating? may he be masturbating? may we be masturbating? may you be masturbating? may they be masturbating?
Perfect
may I have masturbated? may you have masturbated? may he have masturbated? may we have masturbated? may you have masturbated? may they have masturbated?
V-ing perfect
may I have been masturbating? may you have been masturbating? may he have been masturbating? may we have been masturbating? may you have been masturbating? may they have been masturbating?
Interro-negative form
Simple form
may I not masturbate? may you not masturbate? may he not masturbate? may we not masturbate? may you not masturbate? may they not masturbate?
V-ing form
may I not be masturbating? may you not be masturbating? may he not be masturbating? may we not be masturbating? may you not be masturbating? may they not be masturbating?
Perfect
may I not have masturbated? may you not have masturbated? may he not have masturbated? may we not have masturbated? may you not have masturbated? may they not have masturbated?
V-ing perfect
may I not have been masturbating? may you not have been masturbating? may he not have been masturbating? may we not have been masturbating? may you not have been masturbating? may they not have been masturbating?