English verb conjugation
MAY REPLY

Regular verb: reply - replied - replied

Affirmation

Simple form	V-ing form
I may reply you may reply he may reply we may reply you may reply they may reply	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	V-ing 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	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	V-ing form
I mayn't reply you mayn't reply he 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 he 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 he 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 he 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 he reply? may we reply? may you reply? may they reply?	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	V-ing 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?	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	V-ing form
mayn't I reply? mayn't you reply? mayn't he 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 he 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 he 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 he have been replying? mayn't we have been replying? mayn't you have been replying? mayn't they have been replying?