may understudy
Verbo regular: understudy - understudied- understudied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may understudy
you may understudy
he may understudy
we may understudy
you may understudy
they may understudy 	I may be understudying
you may be understudying
he may be understudying
we may be understudying
you may be understudying
they may be understudying	I may have understudied
you may have understudied
he may have understudied
we may have understudied
you may have understudied
they may have understudied	I may have been understudying
you may have been understudying
he may have been understudying
we may have been understudying
you may have been understudying
they may have been understudying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't understudy
you mayn't understudy
he mayn't understudy
we mayn't understudy
you mayn't understudy
they mayn't understudy 	I mayn't be understudying
you mayn't be understudying
he mayn't be understudying
we mayn't be understudying
you mayn't be understudying
they mayn't be understudying	I mayn't have understudied
you mayn't have understudied
he mayn't have understudied
we mayn't have understudied
you mayn't have understudied
they mayn't have understudied	I mayn't have been understudying
you mayn't have been understudying
he mayn't have been understudying
we mayn't have been understudying
you mayn't have been understudying
they mayn't have been understudying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I understudy?
may you understudy?
may he understudy?
may we understudy?
may you understudy?
may they understudy? 	may I be understudying?
may you be understudying?
may he be understudying?
may we be understudying?
may you be understudying?
may they be understudying? 	may I have understudied?
may you have understudied?
may he have understudied?
may we have understudied?
may you have understudied?
may they have understudied? 	may I have been understudying?
may you have been understudying?
may he have been understudying?
may we have been understudying?
may you have been understudying?
may they have been understudying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I understudy?
mayn't you understudy?
mayn't he understudy?
mayn't we understudy?
mayn't you understudy?
mayn't they understudy? 	mayn't I be understudying?
mayn't you be understudying?
mayn't he be understudying?
mayn't we be understudying?
mayn't you be understudying?
mayn't they be understudying? 	mayn't I have understudied?
mayn't you have understudied?
mayn't he have understudied?
mayn't we have understudied?
mayn't you have understudied?
mayn't they have understudied? 	mayn't I have been understudying?
mayn't you have been understudying?
mayn't he have been understudying?
mayn't we have been understudying?
mayn't you have been understudying?
mayn't they have been understudying?