English verb conjugation
MAY GRAFT

Regular verb: graft - grafted - grafted

Affirmation

Simple form	V-ing form
I may graft you may graft he may graft we may graft you may graft they may graft	I may be grafting you may be grafting he may be grafting we may be grafting you may be grafting they may be grafting
Perfect	V-ing perfect
I may have grafted you may have grafted he may have grafted we may have grafted you may have grafted they may have grafted	I may have been grafting you may have been grafting he may have been grafting we may have been grafting you may have been grafting they may have been grafting

Negation

Simple form	V-ing form
I mayn't graft you mayn't graft he mayn't graft we mayn't graft you mayn't graft they mayn't graft	I mayn't be grafting you mayn't be grafting he mayn't be grafting we mayn't be grafting you mayn't be grafting they mayn't be grafting
Perfect	V-ing perfect
I mayn't have grafted you mayn't have grafted he mayn't have grafted we mayn't have grafted you mayn't have grafted they mayn't have grafted	I mayn't have been grafting you mayn't have been grafting he mayn't have been grafting we mayn't have been grafting you mayn't have been grafting they mayn't have been grafting

Interrogative form

Simple form	V-ing form
may I graft? may you graft? may he graft? may we graft? may you graft? may they graft?	may I be grafting? may you be grafting? may he be grafting? may we be grafting? may you be grafting? may they be grafting?
Perfect	V-ing perfect
may I have grafted? may you have grafted? may he have grafted? may we have grafted? may you have grafted? may they have grafted?	may I have been grafting? may you have been grafting? may he have been grafting? may we have been grafting? may you have been grafting? may they have been grafting?

Interro-negative form

Simple form	V-ing form
mayn't I graft? mayn't you graft? mayn't he graft? mayn't we graft? mayn't you graft? mayn't they graft?	mayn't I be grafting? mayn't you be grafting? mayn't he be grafting? mayn't we be grafting? mayn't you be grafting? mayn't they be grafting?
Perfect	V-ing perfect
mayn't I have grafted? mayn't you have grafted? mayn't he have grafted? mayn't we have grafted? mayn't you have grafted? mayn't they have grafted?	mayn't I have been grafting? mayn't you have been grafting? mayn't he have been grafting? mayn't we have been grafting? mayn't you have been grafting? mayn't they have been grafting?