I may cook you may cook she may cook we may cook you may cook they may cook
V-ing form
I may be cooking you may be cooking she may be cooking we may be cooking you may be cooking they may be cooking
Perfect
I may have cooked you may have cooked she may have cooked we may have cooked you may have cooked they may have cooked
V-ing perfect
I may have been cooking you may have been cooking she may have been cooking we may have been cooking you may have been cooking they may have been cooking
Negation
Simple form
I may not cook you may not cook she may not cook we may not cook you may not cook they may not cook
V-ing form
I may not be cooking you may not be cooking she may not be cooking we may not be cooking you may not be cooking they may not be cooking
Perfect
I may not have cooked you may not have cooked she may not have cooked we may not have cooked you may not have cooked they may not have cooked
V-ing perfect
I may not have been cooking you may not have been cooking she may not have been cooking we may not have been cooking you may not have been cooking they may not have been cooking
Interrogative form
Simple form
may I cook? may you cook? may she cook? may we cook? may you cook? may they cook?
V-ing form
may I be cooking? may you be cooking? may she be cooking? may we be cooking? may you be cooking? may they be cooking?
Perfect
may I have cooked? may you have cooked? may she have cooked? may we have cooked? may you have cooked? may they have cooked?
V-ing perfect
may I have been cooking? may you have been cooking? may she have been cooking? may we have been cooking? may you have been cooking? may they have been cooking?
Interro-negative form
Simple form
may I not cook? may you not cook? may she not cook? may we not cook? may you not cook? may they not cook?
V-ing form
may I not be cooking? may you not be cooking? may she not be cooking? may we not be cooking? may you not be cooking? may they not be cooking?
Perfect
may I not have cooked? may you not have cooked? may she not have cooked? may we not have cooked? may you not have cooked? may they not have cooked?
V-ing perfect
may I not have been cooking? may you not have been cooking? may she not have been cooking? may we not have been cooking? may you not have been cooking? may they not have been cooking?