may refuse
Regular verb: refuse - refused- refused

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