I may reply you may reply he may reply we may reply you may reply they may reply
V-ing form
I may be replying you may be replying he may be replying we may be replying you may be replying they may be replying
Perfect
I may have replied you may have replied he may have replied we may have replied you may have replied they may have replied
V-ing perfect
I may have been replying you may have been replying he may have been replying we may have been replying you may have been replying they may have been replying
Negation
Simple form
I may not reply you may not reply he may not reply we may not reply you may not reply they may not reply
V-ing form
I may not be replying you may not be replying he may not be replying we may not be replying you may not be replying they may not be replying
Perfect
I may not have replied you may not have replied he may not have replied we may not have replied you may not have replied they may not have replied
V-ing perfect
I may not have been replying you may not have been replying he may not have been replying we may not have been replying you may not have been replying they may not have been replying
Interrogative form
Simple form
may I reply? may you reply? may he reply? may we reply? may you reply? may they reply?
V-ing form
may I be replying? may you be replying? may he be replying? may we be replying? may you be replying? may they be replying?
Perfect
may I have replied? may you have replied? may he have replied? may we have replied? may you have replied? may they have replied?
V-ing perfect
may I have been replying? may you have been replying? may he have been replying? may we have been replying? may you have been replying? may they have been replying?
Interro-negative form
Simple form
may I not reply? may you not reply? may he not reply? may we not reply? may you not reply? may they not reply?
V-ing form
may I not be replying? may you not be replying? may he not be replying? may we not be replying? may you not be replying? may they not be replying?
Perfect
may I not have replied? may you not have replied? may he not have replied? may we not have replied? may you not have replied? may they not have replied?
V-ing perfect
may I not have been replying? may you not have been replying? may he not have been replying? may we not have been replying? may you not have been replying? may they not have been replying?