I may jam you may jam she may jam we may jam you may jam they may jam
V-ing form
I may be jamming you may be jamming she may be jamming we may be jamming you may be jamming they may be jamming
Perfect
I may have jammed you may have jammed she may have jammed we may have jammed you may have jammed they may have jammed
V-ing perfect
I may have been jamming you may have been jamming she may have been jamming we may have been jamming you may have been jamming they may have been jamming
Negation
Simple form
I may not jam you may not jam she may not jam we may not jam you may not jam they may not jam
V-ing form
I may not be jamming you may not be jamming she may not be jamming we may not be jamming you may not be jamming they may not be jamming
Perfect
I may not have jammed you may not have jammed she may not have jammed we may not have jammed you may not have jammed they may not have jammed
V-ing perfect
I may not have been jamming you may not have been jamming she may not have been jamming we may not have been jamming you may not have been jamming they may not have been jamming
Interrogative form
Simple form
may I jam? may you jam? may she jam? may we jam? may you jam? may they jam?
V-ing form
may I be jamming? may you be jamming? may she be jamming? may we be jamming? may you be jamming? may they be jamming?
Perfect
may I have jammed? may you have jammed? may she have jammed? may we have jammed? may you have jammed? may they have jammed?
V-ing perfect
may I have been jamming? may you have been jamming? may she have been jamming? may we have been jamming? may you have been jamming? may they have been jamming?
Interro-negative form
Simple form
may I not jam? may you not jam? may she not jam? may we not jam? may you not jam? may they not jam?
V-ing form
may I not be jamming? may you not be jamming? may she not be jamming? may we not be jamming? may you not be jamming? may they not be jamming?
Perfect
may I not have jammed? may you not have jammed? may she not have jammed? may we not have jammed? may you not have jammed? may they not have jammed?
V-ing perfect
may I not have been jamming? may you not have been jamming? may she not have been jamming? may we not have been jamming? may you not have been jamming? may they not have been jamming?