English verb conjugation
MAY REPLY

Regular verb: reply - replied - replied

Affirmation

Simple form	V-ing form
I may reply you may reply she may reply we may reply you may reply they may reply	I may be replying you may be replying she may be replying we may be replying you may be replying they may be replying
Perfect	V-ing perfect
I may have replied you may have replied she may have replied we may have replied you may have replied they may have replied	I may have been replying you may have been replying she may have been replying we may have been replying you may have been replying they may have been replying

Negation

Simple form	V-ing form
I mayn't reply you mayn't reply she mayn't reply we mayn't reply you mayn't reply they mayn't reply	I mayn't be replying you mayn't be replying she mayn't be replying we mayn't be replying you mayn't be replying they mayn't be replying
Perfect	V-ing perfect
I mayn't have replied you mayn't have replied she mayn't have replied we mayn't have replied you mayn't have replied they mayn't have replied	I mayn't have been replying you mayn't have been replying she mayn't have been replying we mayn't have been replying you mayn't have been replying they mayn't have been replying

Interrogative form

Simple form	V-ing form
may I reply? may you reply? may she reply? may we reply? may you reply? may they reply?	may I be replying? may you be replying? may she be replying? may we be replying? may you be replying? may they be replying?
Perfect	V-ing perfect
may I have replied? may you have replied? may she have replied? may we have replied? may you have replied? may they have replied?	may I have been replying? may you have been replying? may she have been replying? may we have been replying? may you have been replying? may they have been replying?

Interro-negative form

Simple form	V-ing form
mayn't I reply? mayn't you reply? mayn't she reply? mayn't we reply? mayn't you reply? mayn't they reply?	mayn't I be replying? mayn't you be replying? mayn't she be replying? mayn't we be replying? mayn't you be replying? mayn't they be replying?
Perfect	V-ing perfect
mayn't I have replied? mayn't you have replied? mayn't she have replied? mayn't we have replied? mayn't you have replied? mayn't they have replied?	mayn't I have been replying? mayn't you have been replying? mayn't she have been replying? mayn't we have been replying? mayn't you have been replying? mayn't they have been replying?