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