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 mayn't cook you mayn't cook he mayn't cook we mayn't cook you mayn't cook they mayn't cook
V-ing form
I mayn't be cooking you mayn't be cooking he mayn't be cooking we mayn't be cooking you mayn't be cooking they mayn't be cooking
Perfect
I mayn't have cooked you mayn't have cooked he mayn't have cooked we mayn't have cooked you mayn't have cooked they mayn't have cooked
V-ing perfect
I mayn't have been cooking you mayn't have been cooking he mayn't have been cooking we mayn't have been cooking you mayn't have been cooking they mayn't 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
mayn't I cook? mayn't you cook? mayn't he cook? mayn't we cook? mayn't you cook? mayn't they cook?
V-ing form
mayn't I be cooking? mayn't you be cooking? mayn't he be cooking? mayn't we be cooking? mayn't you be cooking? mayn't they be cooking?
Perfect
mayn't I have cooked? mayn't you have cooked? mayn't he have cooked? mayn't we have cooked? mayn't you have cooked? mayn't they have cooked?
V-ing perfect
mayn't I have been cooking? mayn't you have been cooking? mayn't he have been cooking? mayn't we have been cooking? mayn't you have been cooking? mayn't they have been cooking?