may outmaster
Regular verb: outmaster - outmastered- outmastered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may outmaster
you may outmaster
she may outmaster
we may outmaster
you may outmaster
they may outmaster 	I may be outmastering
you may be outmastering
she may be outmastering
we may be outmastering
you may be outmastering
they may be outmastering	I may have outmastered
you may have outmastered
she may have outmastered
we may have outmastered
you may have outmastered
they may have outmastered	I may have been outmastering
you may have been outmastering
she may have been outmastering
we may have been outmastering
you may have been outmastering
they may have been outmastering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't outmaster
you mayn't outmaster
she mayn't outmaster
we mayn't outmaster
you mayn't outmaster
they mayn't outmaster 	I mayn't be outmastering
you mayn't be outmastering
she mayn't be outmastering
we mayn't be outmastering
you mayn't be outmastering
they mayn't be outmastering	I mayn't have outmastered
you mayn't have outmastered
she mayn't have outmastered
we mayn't have outmastered
you mayn't have outmastered
they mayn't have outmastered	I mayn't have been outmastering
you mayn't have been outmastering
she mayn't have been outmastering
we mayn't have been outmastering
you mayn't have been outmastering
they mayn't have been outmastering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I outmaster?
may you outmaster?
may she outmaster?
may we outmaster?
may you outmaster?
may they outmaster? 	may I be outmastering?
may you be outmastering?
may she be outmastering?
may we be outmastering?
may you be outmastering?
may they be outmastering? 	may I have outmastered?
may you have outmastered?
may she have outmastered?
may we have outmastered?
may you have outmastered?
may they have outmastered? 	may I have been outmastering?
may you have been outmastering?
may she have been outmastering?
may we have been outmastering?
may you have been outmastering?
may they have been outmastering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I outmaster?
mayn't you outmaster?
mayn't she outmaster?
mayn't we outmaster?
mayn't you outmaster?
mayn't they outmaster? 	mayn't I be outmastering?
mayn't you be outmastering?
mayn't she be outmastering?
mayn't we be outmastering?
mayn't you be outmastering?
mayn't they be outmastering? 	mayn't I have outmastered?
mayn't you have outmastered?
mayn't she have outmastered?
mayn't we have outmastered?
mayn't you have outmastered?
mayn't they have outmastered? 	mayn't I have been outmastering?
mayn't you have been outmastering?
mayn't she have been outmastering?
mayn't we have been outmastering?
mayn't you have been outmastering?
mayn't they have been outmastering?