English verb conjugation
MAY ROUGHEN

Regular verb: roughen - roughened - roughened

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?