English verb conjugation
MAY MASTURBATE

Regular verb: masturbate - masturbated - masturbated

Affirmation

Simple form	V-ing form
I may masturbate you may masturbate he may masturbate we may masturbate you may masturbate they may masturbate	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	V-ing 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	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	V-ing form
I mayn't masturbate you mayn't masturbate he mayn't masturbate we mayn't masturbate you mayn't masturbate they mayn't masturbate	I mayn't be masturbating you mayn't be masturbating he mayn't be masturbating we mayn't be masturbating you mayn't be masturbating they mayn't be masturbating
Perfect	V-ing perfect
I mayn't have masturbated you mayn't have masturbated he mayn't have masturbated we mayn't have masturbated you mayn't have masturbated they mayn't have masturbated	I mayn't have been masturbating you mayn't have been masturbating he mayn't have been masturbating we mayn't have been masturbating you mayn't have been masturbating they mayn't have been masturbating

Interrogative form

Simple form	V-ing form
may I masturbate? may you masturbate? may he masturbate? may we masturbate? may you masturbate? may they masturbate?	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	V-ing 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?	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	V-ing form
mayn't I masturbate? mayn't you masturbate? mayn't he masturbate? mayn't we masturbate? mayn't you masturbate? mayn't they masturbate?	mayn't I be masturbating? mayn't you be masturbating? mayn't he be masturbating? mayn't we be masturbating? mayn't you be masturbating? mayn't they be masturbating?
Perfect	V-ing perfect
mayn't I have masturbated? mayn't you have masturbated? mayn't he have masturbated? mayn't we have masturbated? mayn't you have masturbated? mayn't they have masturbated?	mayn't I have been masturbating? mayn't you have been masturbating? mayn't he have been masturbating? mayn't we have been masturbating? mayn't you have been masturbating? mayn't they have been masturbating?