I may plant you may plant he may plant we may plant you may plant they may plant
V-ing form
I may be planting you may be planting he may be planting we may be planting you may be planting they may be planting
Perfect
I may have planted you may have planted he may have planted we may have planted you may have planted they may have planted
V-ing perfect
I may have been planting you may have been planting he may have been planting we may have been planting you may have been planting they may have been planting
Negation
Simple form
I mayn't plant you mayn't plant he mayn't plant we mayn't plant you mayn't plant they mayn't plant
V-ing form
I mayn't be planting you mayn't be planting he mayn't be planting we mayn't be planting you mayn't be planting they mayn't be planting
Perfect
I mayn't have planted you mayn't have planted he mayn't have planted we mayn't have planted you mayn't have planted they mayn't have planted
V-ing perfect
I mayn't have been planting you mayn't have been planting he mayn't have been planting we mayn't have been planting you mayn't have been planting they mayn't have been planting
Interrogative form
Simple form
may I plant? may you plant? may he plant? may we plant? may you plant? may they plant?
V-ing form
may I be planting? may you be planting? may he be planting? may we be planting? may you be planting? may they be planting?
Perfect
may I have planted? may you have planted? may he have planted? may we have planted? may you have planted? may they have planted?
V-ing perfect
may I have been planting? may you have been planting? may he have been planting? may we have been planting? may you have been planting? may they have been planting?
Interro-negative form
Simple form
mayn't I plant? mayn't you plant? mayn't he plant? mayn't we plant? mayn't you plant? mayn't they plant?
V-ing form
mayn't I be planting? mayn't you be planting? mayn't he be planting? mayn't we be planting? mayn't you be planting? mayn't they be planting?
Perfect
mayn't I have planted? mayn't you have planted? mayn't he have planted? mayn't we have planted? mayn't you have planted? mayn't they have planted?
V-ing perfect
mayn't I have been planting? mayn't you have been planting? mayn't he have been planting? mayn't we have been planting? mayn't you have been planting? mayn't they have been planting?