Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may piggy you may piggy he may piggy we may piggy you may piggy they may piggy
V-ing form
I may be piggying you may be piggying he may be piggying we may be piggying you may be piggying they may be piggying
Perfect
I may have piggied you may have piggied he may have piggied we may have piggied you may have piggied they may have piggied
V-ing perfect
I may have been piggying you may have been piggying he may have been piggying we may have been piggying you may have been piggying they may have been piggying
Negation
Simple form
I mayn't piggy you mayn't piggy he mayn't piggy we mayn't piggy you mayn't piggy they mayn't piggy
V-ing form
I mayn't be piggying you mayn't be piggying he mayn't be piggying we mayn't be piggying you mayn't be piggying they mayn't be piggying
Perfect
I mayn't have piggied you mayn't have piggied he mayn't have piggied we mayn't have piggied you mayn't have piggied they mayn't have piggied
V-ing perfect
I mayn't have been piggying you mayn't have been piggying he mayn't have been piggying we mayn't have been piggying you mayn't have been piggying they mayn't have been piggying
Interrogative form
Simple form
may I piggy? may you piggy? may he piggy? may we piggy? may you piggy? may they piggy?
V-ing form
may I be piggying? may you be piggying? may he be piggying? may we be piggying? may you be piggying? may they be piggying?
Perfect
may I have piggied? may you have piggied? may he have piggied? may we have piggied? may you have piggied? may they have piggied?
V-ing perfect
may I have been piggying? may you have been piggying? may he have been piggying? may we have been piggying? may you have been piggying? may they have been piggying?
Interro-negative form
Simple form
mayn't I piggy? mayn't you piggy? mayn't he piggy? mayn't we piggy? mayn't you piggy? mayn't they piggy?
V-ing form
mayn't I be piggying? mayn't you be piggying? mayn't he be piggying? mayn't we be piggying? mayn't you be piggying? mayn't they be piggying?
Perfect
mayn't I have piggied? mayn't you have piggied? mayn't he have piggied? mayn't we have piggied? mayn't you have piggied? mayn't they have piggied?
V-ing perfect
mayn't I have been piggying? mayn't you have been piggying? mayn't he have been piggying? mayn't we have been piggying? mayn't you have been piggying? mayn't they have been piggying?