English verb conjugation
MAY REFUSE

Regular verb: refuse - refused - refused

Affirmation

Simple form	V-ing form
I may refuse you may refuse she may refuse we may refuse you may refuse they may refuse	I may be refusing you may be refusing she may be refusing we may be refusing you may be refusing they may be refusing
Perfect	V-ing perfect
I may have refused you may have refused she may have refused we may have refused you may have refused they may have refused	I may have been refusing you may have been refusing she may have been refusing we may have been refusing you may have been refusing they may have been refusing

Negation

Simple form	V-ing form
I mayn't refuse you mayn't refuse she mayn't refuse we mayn't refuse you mayn't refuse they mayn't refuse	I mayn't be refusing you mayn't be refusing she mayn't be refusing we mayn't be refusing you mayn't be refusing they mayn't be refusing
Perfect	V-ing perfect
I mayn't have refused you mayn't have refused she mayn't have refused we mayn't have refused you mayn't have refused they mayn't have refused	I mayn't have been refusing you mayn't have been refusing she mayn't have been refusing we mayn't have been refusing you mayn't have been refusing they mayn't have been refusing

Interrogative form

Simple form	V-ing form
may I refuse? may you refuse? may she refuse? may we refuse? may you refuse? may they refuse?	may I be refusing? may you be refusing? may she be refusing? may we be refusing? may you be refusing? may they be refusing?
Perfect	V-ing perfect
may I have refused? may you have refused? may she have refused? may we have refused? may you have refused? may they have refused?	may I have been refusing? may you have been refusing? may she have been refusing? may we have been refusing? may you have been refusing? may they have been refusing?

Interro-negative form

Simple form	V-ing form
mayn't I refuse? mayn't you refuse? mayn't she refuse? mayn't we refuse? mayn't you refuse? mayn't they refuse?	mayn't I be refusing? mayn't you be refusing? mayn't she be refusing? mayn't we be refusing? mayn't you be refusing? mayn't they be refusing?
Perfect	V-ing perfect
mayn't I have refused? mayn't you have refused? mayn't she have refused? mayn't we have refused? mayn't you have refused? mayn't they have refused?	mayn't I have been refusing? mayn't you have been refusing? mayn't she have been refusing? mayn't we have been refusing? mayn't you have been refusing? mayn't they have been refusing?