I may harm you may harm he may harm we may harm you may harm they may harm
V-ing form
I may be harming you may be harming he may be harming we may be harming you may be harming they may be harming
Perfect
I may have harmed you may have harmed he may have harmed we may have harmed you may have harmed they may have harmed
V-ing perfect
I may have been harming you may have been harming he may have been harming we may have been harming you may have been harming they may have been harming
Negation
Simple form
I may not harm you may not harm he may not harm we may not harm you may not harm they may not harm
V-ing form
I may not be harming you may not be harming he may not be harming we may not be harming you may not be harming they may not be harming
Perfect
I may not have harmed you may not have harmed he may not have harmed we may not have harmed you may not have harmed they may not have harmed
V-ing perfect
I may not have been harming you may not have been harming he may not have been harming we may not have been harming you may not have been harming they may not have been harming
Interrogative form
Simple form
may I harm? may you harm? may he harm? may we harm? may you harm? may they harm?
V-ing form
may I be harming? may you be harming? may he be harming? may we be harming? may you be harming? may they be harming?
Perfect
may I have harmed? may you have harmed? may he have harmed? may we have harmed? may you have harmed? may they have harmed?
V-ing perfect
may I have been harming? may you have been harming? may he have been harming? may we have been harming? may you have been harming? may they have been harming?
Interro-negative form
Simple form
may I not harm? may you not harm? may he not harm? may we not harm? may you not harm? may they not harm?
V-ing form
may I not be harming? may you not be harming? may he not be harming? may we not be harming? may you not be harming? may they not be harming?
Perfect
may I not have harmed? may you not have harmed? may he not have harmed? may we not have harmed? may you not have harmed? may they not have harmed?
V-ing perfect
may I not have been harming? may you not have been harming? may he not have been harming? may we not have been harming? may you not have been harming? may they not have been harming?