I may harpoon you may harpoon he may harpoon we may harpoon you may harpoon they may harpoon
V-ing form
I may be harpooning you may be harpooning he may be harpooning we may be harpooning you may be harpooning they may be harpooning
Perfect
I may have harpooned you may have harpooned he may have harpooned we may have harpooned you may have harpooned they may have harpooned
V-ing perfect
I may have been harpooning you may have been harpooning he may have been harpooning we may have been harpooning you may have been harpooning they may have been harpooning
Negation
Simple form
I may not harpoon you may not harpoon he may not harpoon we may not harpoon you may not harpoon they may not harpoon
V-ing form
I may not be harpooning you may not be harpooning he may not be harpooning we may not be harpooning you may not be harpooning they may not be harpooning
Perfect
I may not have harpooned you may not have harpooned he may not have harpooned we may not have harpooned you may not have harpooned they may not have harpooned
V-ing perfect
I may not have been harpooning you may not have been harpooning he may not have been harpooning we may not have been harpooning you may not have been harpooning they may not have been harpooning
Interrogative form
Simple form
may I harpoon? may you harpoon? may he harpoon? may we harpoon? may you harpoon? may they harpoon?
V-ing form
may I be harpooning? may you be harpooning? may he be harpooning? may we be harpooning? may you be harpooning? may they be harpooning?
Perfect
may I have harpooned? may you have harpooned? may he have harpooned? may we have harpooned? may you have harpooned? may they have harpooned?
V-ing perfect
may I have been harpooning? may you have been harpooning? may he have been harpooning? may we have been harpooning? may you have been harpooning? may they have been harpooning?
Interro-negative form
Simple form
may I not harpoon? may you not harpoon? may he not harpoon? may we not harpoon? may you not harpoon? may they not harpoon?
V-ing form
may I not be harpooning? may you not be harpooning? may he not be harpooning? may we not be harpooning? may you not be harpooning? may they not be harpooning?
Perfect
may I not have harpooned? may you not have harpooned? may he not have harpooned? may we not have harpooned? may you not have harpooned? may they not have harpooned?
V-ing perfect
may I not have been harpooning? may you not have been harpooning? may he not have been harpooning? may we not have been harpooning? may you not have been harpooning? may they not have been harpooning?