I may stock you may stock she may stock we may stock you may stock they may stock
V-ing form
I may be stocking you may be stocking she may be stocking we may be stocking you may be stocking they may be stocking
Perfect
I may have stocked you may have stocked she 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 she may have been stocking we may have been stocking you may have been stocking they may have been stocking
Negation
Simple form
I may not stock you may not stock she may not stock we may not stock you may not stock they may not stock
V-ing form
I may not be stocking you may not be stocking she may not be stocking we may not be stocking you may not be stocking they may not be stocking
Perfect
I may not have stocked you may not have stocked she may not have stocked we may not have stocked you may not have stocked they may not have stocked
V-ing perfect
I may not have been stocking you may not have been stocking she may not have been stocking we may not have been stocking you may not have been stocking they may not have been stocking
Interrogative form
Simple form
may I stock? may you stock? may she stock? may we stock? may you stock? may they stock?
V-ing form
may I be stocking? may you be stocking? may she be stocking? may we be stocking? may you be stocking? may they be stocking?
Perfect
may I have stocked? may you have stocked? may she 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 she have been stocking? may we have been stocking? may you have been stocking? may they have been stocking?
Interro-negative form
Simple form
may I not stock? may you not stock? may she not stock? may we not stock? may you not stock? may they not stock?
V-ing form
may I not be stocking? may you not be stocking? may she not be stocking? may we not be stocking? may you not be stocking? may they not be stocking?
Perfect
may I not have stocked? may you not have stocked? may she not have stocked? may we not have stocked? may you not have stocked? may they not have stocked?
V-ing perfect
may I not have been stocking? may you not have been stocking? may she not have been stocking? may we not have been stocking? may you not have been stocking? may they not have been stocking?