I may behave you may behave he may behave we may behave you may behave they may behave
V-ing form
I may be behaving you may be behaving he may be behaving we may be behaving you may be behaving they may be behaving
Perfect
I may have behaved you may have behaved he may have behaved we may have behaved you may have behaved they may have behaved
V-ing perfect
I may have been behaving you may have been behaving he may have been behaving we may have been behaving you may have been behaving they may have been behaving
Negation
Simple form
I may not behave you may not behave he may not behave we may not behave you may not behave they may not behave
V-ing form
I may not be behaving you may not be behaving he may not be behaving we may not be behaving you may not be behaving they may not be behaving
Perfect
I may not have behaved you may not have behaved he may not have behaved we may not have behaved you may not have behaved they may not have behaved
V-ing perfect
I may not have been behaving you may not have been behaving he may not have been behaving we may not have been behaving you may not have been behaving they may not have been behaving
Interrogative form
Simple form
may I behave? may you behave? may he behave? may we behave? may you behave? may they behave?
V-ing form
may I be behaving? may you be behaving? may he be behaving? may we be behaving? may you be behaving? may they be behaving?
Perfect
may I have behaved? may you have behaved? may he have behaved? may we have behaved? may you have behaved? may they have behaved?
V-ing perfect
may I have been behaving? may you have been behaving? may he have been behaving? may we have been behaving? may you have been behaving? may they have been behaving?
Interro-negative form
Simple form
may I not behave? may you not behave? may he not behave? may we not behave? may you not behave? may they not behave?
V-ing form
may I not be behaving? may you not be behaving? may he not be behaving? may we not be behaving? may you not be behaving? may they not be behaving?
Perfect
may I not have behaved? may you not have behaved? may he not have behaved? may we not have behaved? may you not have behaved? may they not have behaved?
V-ing perfect
may I not have been behaving? may you not have been behaving? may he not have been behaving? may we not have been behaving? may you not have been behaving? may they not have been behaving?