may roughen
Verbo regular: roughen - roughened- roughened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may roughen
you may roughen
he may roughen
we may roughen
you may roughen
they may roughen 	I may be roughening
you may be roughening
he may be roughening
we may be roughening
you may be roughening
they may be roughening	I may have roughened
you may have roughened
he may have roughened
we may have roughened
you may have roughened
they may have roughened	I may have been roughening
you may have been roughening
he may have been roughening
we may have been roughening
you may have been roughening
they may have been roughening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't roughen
you mayn't roughen
he mayn't roughen
we mayn't roughen
you mayn't roughen
they mayn't roughen 	I mayn't be roughening
you mayn't be roughening
he mayn't be roughening
we mayn't be roughening
you mayn't be roughening
they mayn't be roughening	I mayn't have roughened
you mayn't have roughened
he mayn't have roughened
we mayn't have roughened
you mayn't have roughened
they mayn't have roughened	I mayn't have been roughening
you mayn't have been roughening
he mayn't have been roughening
we mayn't have been roughening
you mayn't have been roughening
they mayn't have been roughening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I roughen?
may you roughen?
may he roughen?
may we roughen?
may you roughen?
may they roughen? 	may I be roughening?
may you be roughening?
may he be roughening?
may we be roughening?
may you be roughening?
may they be roughening? 	may I have roughened?
may you have roughened?
may he have roughened?
may we have roughened?
may you have roughened?
may they have roughened? 	may I have been roughening?
may you have been roughening?
may he have been roughening?
may we have been roughening?
may you have been roughening?
may they have been roughening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I roughen?
mayn't you roughen?
mayn't he roughen?
mayn't we roughen?
mayn't you roughen?
mayn't they roughen? 	mayn't I be roughening?
mayn't you be roughening?
mayn't he be roughening?
mayn't we be roughening?
mayn't you be roughening?
mayn't they be roughening? 	mayn't I have roughened?
mayn't you have roughened?
mayn't he have roughened?
mayn't we have roughened?
mayn't you have roughened?
mayn't they have roughened? 	mayn't I have been roughening?
mayn't you have been roughening?
mayn't he have been roughening?
mayn't we have been roughening?
mayn't you have been roughening?
mayn't they have been roughening?