I may flex you may flex he may flex we may flex you may flex they may flex
V-ing form
I may be flexing you may be flexing he may be flexing we may be flexing you may be flexing they may be flexing
Perfect
I may have flexed you may have flexed he may have flexed we may have flexed you may have flexed they may have flexed
V-ing perfect
I may have been flexing you may have been flexing he may have been flexing we may have been flexing you may have been flexing they may have been flexing
Negation
Simple form
I may not flex you may not flex he may not flex we may not flex you may not flex they may not flex
V-ing form
I may not be flexing you may not be flexing he may not be flexing we may not be flexing you may not be flexing they may not be flexing
Perfect
I may not have flexed you may not have flexed he may not have flexed we may not have flexed you may not have flexed they may not have flexed
V-ing perfect
I may not have been flexing you may not have been flexing he may not have been flexing we may not have been flexing you may not have been flexing they may not have been flexing
Interrogative form
Simple form
may I flex? may you flex? may he flex? may we flex? may you flex? may they flex?
V-ing form
may I be flexing? may you be flexing? may he be flexing? may we be flexing? may you be flexing? may they be flexing?
Perfect
may I have flexed? may you have flexed? may he have flexed? may we have flexed? may you have flexed? may they have flexed?
V-ing perfect
may I have been flexing? may you have been flexing? may he have been flexing? may we have been flexing? may you have been flexing? may they have been flexing?
Interro-negative form
Simple form
may I not flex? may you not flex? may he not flex? may we not flex? may you not flex? may they not flex?
V-ing form
may I not be flexing? may you not be flexing? may he not be flexing? may we not be flexing? may you not be flexing? may they not be flexing?
Perfect
may I not have flexed? may you not have flexed? may he not have flexed? may we not have flexed? may you not have flexed? may they not have flexed?
V-ing perfect
may I not have been flexing? may you not have been flexing? may he not have been flexing? may we not have been flexing? may you not have been flexing? may they not have been flexing?