English verb conjugation
MAY MENSTRUATE

Regular verb: menstruate - menstruated - menstruated

Affirmation

Simple form	V-ing form
I may menstruate you may menstruate he may menstruate we may menstruate you may menstruate they may menstruate	I may be menstruating you may be menstruating he may be menstruating we may be menstruating you may be menstruating they may be menstruating
Perfect	V-ing perfect
I may have menstruated you may have menstruated he may have menstruated we may have menstruated you may have menstruated they may have menstruated	I may have been menstruating you may have been menstruating he may have been menstruating we may have been menstruating you may have been menstruating they may have been menstruating

Negation

Simple form	V-ing form
I mayn't menstruate you mayn't menstruate he mayn't menstruate we mayn't menstruate you mayn't menstruate they mayn't menstruate	I mayn't be menstruating you mayn't be menstruating he mayn't be menstruating we mayn't be menstruating you mayn't be menstruating they mayn't be menstruating
Perfect	V-ing perfect
I mayn't have menstruated you mayn't have menstruated he mayn't have menstruated we mayn't have menstruated you mayn't have menstruated they mayn't have menstruated	I mayn't have been menstruating you mayn't have been menstruating he mayn't have been menstruating we mayn't have been menstruating you mayn't have been menstruating they mayn't have been menstruating

Interrogative form

Simple form	V-ing form
may I menstruate? may you menstruate? may he menstruate? may we menstruate? may you menstruate? may they menstruate?	may I be menstruating? may you be menstruating? may he be menstruating? may we be menstruating? may you be menstruating? may they be menstruating?
Perfect	V-ing perfect
may I have menstruated? may you have menstruated? may he have menstruated? may we have menstruated? may you have menstruated? may they have menstruated?	may I have been menstruating? may you have been menstruating? may he have been menstruating? may we have been menstruating? may you have been menstruating? may they have been menstruating?

Interro-negative form

Simple form	V-ing form
mayn't I menstruate? mayn't you menstruate? mayn't he menstruate? mayn't we menstruate? mayn't you menstruate? mayn't they menstruate?	mayn't I be menstruating? mayn't you be menstruating? mayn't he be menstruating? mayn't we be menstruating? mayn't you be menstruating? mayn't they be menstruating?
Perfect	V-ing perfect
mayn't I have menstruated? mayn't you have menstruated? mayn't he have menstruated? mayn't we have menstruated? mayn't you have menstruated? mayn't they have menstruated?	mayn't I have been menstruating? mayn't you have been menstruating? mayn't he have been menstruating? mayn't we have been menstruating? mayn't you have been menstruating? mayn't they have been menstruating?