may frock
Regular verb: frock - frocked- frocked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may frock
you may frock
she may frock
we may frock
you may frock
they may frock 	I may be frocking
you may be frocking
she may be frocking
we may be frocking
you may be frocking
they may be frocking	I may have frocked
you may have frocked
she may have frocked
we may have frocked
you may have frocked
they may have frocked	I may have been frocking
you may have been frocking
she may have been frocking
we may have been frocking
you may have been frocking
they may have been frocking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't frock
you mayn't frock
she mayn't frock
we mayn't frock
you mayn't frock
they mayn't frock 	I mayn't be frocking
you mayn't be frocking
she mayn't be frocking
we mayn't be frocking
you mayn't be frocking
they mayn't be frocking	I mayn't have frocked
you mayn't have frocked
she mayn't have frocked
we mayn't have frocked
you mayn't have frocked
they mayn't have frocked	I mayn't have been frocking
you mayn't have been frocking
she mayn't have been frocking
we mayn't have been frocking
you mayn't have been frocking
they mayn't have been frocking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I frock?
may you frock?
may she frock?
may we frock?
may you frock?
may they frock? 	may I be frocking?
may you be frocking?
may she be frocking?
may we be frocking?
may you be frocking?
may they be frocking? 	may I have frocked?
may you have frocked?
may she have frocked?
may we have frocked?
may you have frocked?
may they have frocked? 	may I have been frocking?
may you have been frocking?
may she have been frocking?
may we have been frocking?
may you have been frocking?
may they have been frocking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I frock?
mayn't you frock?
mayn't she frock?
mayn't we frock?
mayn't you frock?
mayn't they frock? 	mayn't I be frocking?
mayn't you be frocking?
mayn't she be frocking?
mayn't we be frocking?
mayn't you be frocking?
mayn't they be frocking? 	mayn't I have frocked?
mayn't you have frocked?
mayn't she have frocked?
mayn't we have frocked?
mayn't you have frocked?
mayn't they have frocked? 	mayn't I have been frocking?
mayn't you have been frocking?
mayn't she have been frocking?
mayn't we have been frocking?
mayn't you have been frocking?
mayn't they have been frocking?