may shortchange
Regular verb: shortchange - shortchanged- shortchanged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may shortchange
you may shortchange
he may shortchange
we may shortchange
you may shortchange
they may shortchange 	I may be shortchanging
you may be shortchanging
he may be shortchanging
we may be shortchanging
you may be shortchanging
they may be shortchanging	I may have shortchanged
you may have shortchanged
he may have shortchanged
we may have shortchanged
you may have shortchanged
they may have shortchanged	I may have been shortchanging
you may have been shortchanging
he may have been shortchanging
we may have been shortchanging
you may have been shortchanging
they may have been shortchanging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't shortchange
you mayn't shortchange
he mayn't shortchange
we mayn't shortchange
you mayn't shortchange
they mayn't shortchange 	I mayn't be shortchanging
you mayn't be shortchanging
he mayn't be shortchanging
we mayn't be shortchanging
you mayn't be shortchanging
they mayn't be shortchanging	I mayn't have shortchanged
you mayn't have shortchanged
he mayn't have shortchanged
we mayn't have shortchanged
you mayn't have shortchanged
they mayn't have shortchanged	I mayn't have been shortchanging
you mayn't have been shortchanging
he mayn't have been shortchanging
we mayn't have been shortchanging
you mayn't have been shortchanging
they mayn't have been shortchanging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I shortchange?
may you shortchange?
may he shortchange?
may we shortchange?
may you shortchange?
may they shortchange? 	may I be shortchanging?
may you be shortchanging?
may he be shortchanging?
may we be shortchanging?
may you be shortchanging?
may they be shortchanging? 	may I have shortchanged?
may you have shortchanged?
may he have shortchanged?
may we have shortchanged?
may you have shortchanged?
may they have shortchanged? 	may I have been shortchanging?
may you have been shortchanging?
may he have been shortchanging?
may we have been shortchanging?
may you have been shortchanging?
may they have been shortchanging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I shortchange?
mayn't you shortchange?
mayn't he shortchange?
mayn't we shortchange?
mayn't you shortchange?
mayn't they shortchange? 	mayn't I be shortchanging?
mayn't you be shortchanging?
mayn't he be shortchanging?
mayn't we be shortchanging?
mayn't you be shortchanging?
mayn't they be shortchanging? 	mayn't I have shortchanged?
mayn't you have shortchanged?
mayn't he have shortchanged?
mayn't we have shortchanged?
mayn't you have shortchanged?
mayn't they have shortchanged? 	mayn't I have been shortchanging?
mayn't you have been shortchanging?
mayn't he have been shortchanging?
mayn't we have been shortchanging?
mayn't you have been shortchanging?
mayn't they have been shortchanging?