I may act you may act she may act we may act you may act they may act
V-ing form
I may be acting you may be acting she may be acting we may be acting you may be acting they may be acting
Perfect
I may have acted you may have acted she may have acted we may have acted you may have acted they may have acted
V-ing perfect
I may have been acting you may have been acting she may have been acting we may have been acting you may have been acting they may have been acting
Negation
Simple form
I may not act you may not act she may not act we may not act you may not act they may not act
V-ing form
I may not be acting you may not be acting she may not be acting we may not be acting you may not be acting they may not be acting
Perfect
I may not have acted you may not have acted she may not have acted we may not have acted you may not have acted they may not have acted
V-ing perfect
I may not have been acting you may not have been acting she may not have been acting we may not have been acting you may not have been acting they may not have been acting
Interrogative form
Simple form
may I act? may you act? may she act? may we act? may you act? may they act?
V-ing form
may I be acting? may you be acting? may she be acting? may we be acting? may you be acting? may they be acting?
Perfect
may I have acted? may you have acted? may she have acted? may we have acted? may you have acted? may they have acted?
V-ing perfect
may I have been acting? may you have been acting? may she have been acting? may we have been acting? may you have been acting? may they have been acting?
Interro-negative form
Simple form
may I not act? may you not act? may she not act? may we not act? may you not act? may they not act?
V-ing form
may I not be acting? may you not be acting? may she not be acting? may we not be acting? may you not be acting? may they not be acting?
Perfect
may I not have acted? may you not have acted? may she not have acted? may we not have acted? may you not have acted? may they not have acted?
V-ing perfect
may I not have been acting? may you not have been acting? may she not have been acting? may we not have been acting? may you not have been acting? may they not have been acting?