may dupe
Regular verb: dupe - duped- duped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may dupe
you may dupe
he may dupe
we may dupe
you may dupe
they may dupe 	I may be duping
you may be duping
he may be duping
we may be duping
you may be duping
they may be duping	I may have duped
you may have duped
he may have duped
we may have duped
you may have duped
they may have duped	I may have been duping
you may have been duping
he may have been duping
we may have been duping
you may have been duping
they may have been duping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not dupe
you may not dupe
he may not dupe
we may not dupe
you may not dupe
they may not dupe 	I may not be duping
you may not be duping
he may not be duping
we may not be duping
you may not be duping
they may not be duping	I may not have duped
you may not have duped
he may not have duped
we may not have duped
you may not have duped
they may not have duped	I may not have been duping
you may not have been duping
he may not have been duping
we may not have been duping
you may not have been duping
they may not have been duping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I dupe?
may you dupe?
may he dupe?
may we dupe?
may you dupe?
may they dupe? 	may I be duping?
may you be duping?
may he be duping?
may we be duping?
may you be duping?
may they be duping? 	may I have duped?
may you have duped?
may he have duped?
may we have duped?
may you have duped?
may they have duped? 	may I have been duping?
may you have been duping?
may he have been duping?
may we have been duping?
may you have been duping?
may they have been duping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not dupe?
may you not dupe?
may he not dupe?
may we not dupe?
may you not dupe?
may they not dupe? 	may I not be duping?
may you not be duping?
may he not be duping?
may we not be duping?
may you not be duping?
may they not be duping? 	may I not have duped?
may you not have duped?
may he not have duped?
may we not have duped?
may you not have duped?
may they not have duped? 	may I not have been duping?
may you not have been duping?
may he not have been duping?
may we not have been duping?
may you not have been duping?
may they not have been duping?