may best
Regular verb: best - bested- bested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may best
you may best
she may best
we may best
you may best
they may best 	I may be besting
you may be besting
she may be besting
we may be besting
you may be besting
they may be besting	I may have bested
you may have bested
she may have bested
we may have bested
you may have bested
they may have bested	I may have been besting
you may have been besting
she may have been besting
we may have been besting
you may have been besting
they may have been besting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't best
you mayn't best
she mayn't best
we mayn't best
you mayn't best
they mayn't best 	I mayn't be besting
you mayn't be besting
she mayn't be besting
we mayn't be besting
you mayn't be besting
they mayn't be besting	I mayn't have bested
you mayn't have bested
she mayn't have bested
we mayn't have bested
you mayn't have bested
they mayn't have bested	I mayn't have been besting
you mayn't have been besting
she mayn't have been besting
we mayn't have been besting
you mayn't have been besting
they mayn't have been besting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I best?
may you best?
may she best?
may we best?
may you best?
may they best? 	may I be besting?
may you be besting?
may she be besting?
may we be besting?
may you be besting?
may they be besting? 	may I have bested?
may you have bested?
may she have bested?
may we have bested?
may you have bested?
may they have bested? 	may I have been besting?
may you have been besting?
may she have been besting?
may we have been besting?
may you have been besting?
may they have been besting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I best?
mayn't you best?
mayn't she best?
mayn't we best?
mayn't you best?
mayn't they best? 	mayn't I be besting?
mayn't you be besting?
mayn't she be besting?
mayn't we be besting?
mayn't you be besting?
mayn't they be besting? 	mayn't I have bested?
mayn't you have bested?
mayn't she have bested?
mayn't we have bested?
mayn't you have bested?
mayn't they have bested? 	mayn't I have been besting?
mayn't you have been besting?
mayn't she have been besting?
mayn't we have been besting?
mayn't you have been besting?
mayn't they have been besting?