may graft
Regular verb: graft - grafted- grafted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?