may stupefy
Regular verb: stupefy - stupefied- stupefied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may stupefy
you may stupefy
he may stupefy
we may stupefy
you may stupefy
they may stupefy 	I may be stupefying
you may be stupefying
he may be stupefying
we may be stupefying
you may be stupefying
they may be stupefying	I may have stupefied
you may have stupefied
he may have stupefied
we may have stupefied
you may have stupefied
they may have stupefied	I may have been stupefying
you may have been stupefying
he may have been stupefying
we may have been stupefying
you may have been stupefying
they may have been stupefying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't stupefy
you mayn't stupefy
he mayn't stupefy
we mayn't stupefy
you mayn't stupefy
they mayn't stupefy 	I mayn't be stupefying
you mayn't be stupefying
he mayn't be stupefying
we mayn't be stupefying
you mayn't be stupefying
they mayn't be stupefying	I mayn't have stupefied
you mayn't have stupefied
he mayn't have stupefied
we mayn't have stupefied
you mayn't have stupefied
they mayn't have stupefied	I mayn't have been stupefying
you mayn't have been stupefying
he mayn't have been stupefying
we mayn't have been stupefying
you mayn't have been stupefying
they mayn't have been stupefying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I stupefy?
may you stupefy?
may he stupefy?
may we stupefy?
may you stupefy?
may they stupefy? 	may I be stupefying?
may you be stupefying?
may he be stupefying?
may we be stupefying?
may you be stupefying?
may they be stupefying? 	may I have stupefied?
may you have stupefied?
may he have stupefied?
may we have stupefied?
may you have stupefied?
may they have stupefied? 	may I have been stupefying?
may you have been stupefying?
may he have been stupefying?
may we have been stupefying?
may you have been stupefying?
may they have been stupefying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I stupefy?
mayn't you stupefy?
mayn't he stupefy?
mayn't we stupefy?
mayn't you stupefy?
mayn't they stupefy? 	mayn't I be stupefying?
mayn't you be stupefying?
mayn't he be stupefying?
mayn't we be stupefying?
mayn't you be stupefying?
mayn't they be stupefying? 	mayn't I have stupefied?
mayn't you have stupefied?
mayn't he have stupefied?
mayn't we have stupefied?
mayn't you have stupefied?
mayn't they have stupefied? 	mayn't I have been stupefying?
mayn't you have been stupefying?
mayn't he have been stupefying?
mayn't we have been stupefying?
mayn't you have been stupefying?
mayn't they have been stupefying?