English verb conjugation
MAY SUPPLEMENT

Regular verb: supplement - supplemented - supplemented

Affirmation

Simple form	V-ing form
I may supplement you may supplement he may supplement we may supplement you may supplement they may supplement	I may be supplementing you may be supplementing he may be supplementing we may be supplementing you may be supplementing they may be supplementing
Perfect	V-ing perfect
I may have supplemented you may have supplemented he may have supplemented we may have supplemented you may have supplemented they may have supplemented	I may have been supplementing you may have been supplementing he may have been supplementing we may have been supplementing you may have been supplementing they may have been supplementing

Negation

Simple form	V-ing form
I mayn't supplement you mayn't supplement he mayn't supplement we mayn't supplement you mayn't supplement they mayn't supplement	I mayn't be supplementing you mayn't be supplementing he mayn't be supplementing we mayn't be supplementing you mayn't be supplementing they mayn't be supplementing
Perfect	V-ing perfect
I mayn't have supplemented you mayn't have supplemented he mayn't have supplemented we mayn't have supplemented you mayn't have supplemented they mayn't have supplemented	I mayn't have been supplementing you mayn't have been supplementing he mayn't have been supplementing we mayn't have been supplementing you mayn't have been supplementing they mayn't have been supplementing

Interrogative form

Simple form	V-ing form
may I supplement? may you supplement? may he supplement? may we supplement? may you supplement? may they supplement?	may I be supplementing? may you be supplementing? may he be supplementing? may we be supplementing? may you be supplementing? may they be supplementing?
Perfect	V-ing perfect
may I have supplemented? may you have supplemented? may he have supplemented? may we have supplemented? may you have supplemented? may they have supplemented?	may I have been supplementing? may you have been supplementing? may he have been supplementing? may we have been supplementing? may you have been supplementing? may they have been supplementing?

Interro-negative form

Simple form	V-ing form
mayn't I supplement? mayn't you supplement? mayn't he supplement? mayn't we supplement? mayn't you supplement? mayn't they supplement?	mayn't I be supplementing? mayn't you be supplementing? mayn't he be supplementing? mayn't we be supplementing? mayn't you be supplementing? mayn't they be supplementing?
Perfect	V-ing perfect
mayn't I have supplemented? mayn't you have supplemented? mayn't he have supplemented? mayn't we have supplemented? mayn't you have supplemented? mayn't they have supplemented?	mayn't I have been supplementing? mayn't you have been supplementing? mayn't he have been supplementing? mayn't we have been supplementing? mayn't you have been supplementing? mayn't they have been supplementing?