I may cook you may cook he may cook we may cook you may cook they may cook
V-ing form
I may be cooking you may be cooking he may be cooking we may be cooking you may be cooking they may be cooking
Perfect
I may have cooked you may have cooked he 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 he 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 he 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 he 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 he 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 he 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 he cook? may we cook? may you cook? may they cook?
V-ing form
may I be cooking? may you be cooking? may he be cooking? may we be cooking? may you be cooking? may they be cooking?
Perfect
may I have cooked? may you have cooked? may he 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 he 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 he 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 he 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 he 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 he not have been cooking? may we not have been cooking? may you not have been cooking? may they not have been cooking?