may joke
Regular verb: joke - joked- joked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may joke
you may joke
she may joke
we may joke
you may joke
they may joke 	I may be joking
you may be joking
she may be joking
we may be joking
you may be joking
they may be joking	I may have joked
you may have joked
she may have joked
we may have joked
you may have joked
they may have joked	I may have been joking
you may have been joking
she may have been joking
we may have been joking
you may have been joking
they may have been joking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't joke
you mayn't joke
she mayn't joke
we mayn't joke
you mayn't joke
they mayn't joke 	I mayn't be joking
you mayn't be joking
she mayn't be joking
we mayn't be joking
you mayn't be joking
they mayn't be joking	I mayn't have joked
you mayn't have joked
she mayn't have joked
we mayn't have joked
you mayn't have joked
they mayn't have joked	I mayn't have been joking
you mayn't have been joking
she mayn't have been joking
we mayn't have been joking
you mayn't have been joking
they mayn't have been joking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I joke?
may you joke?
may she joke?
may we joke?
may you joke?
may they joke? 	may I be joking?
may you be joking?
may she be joking?
may we be joking?
may you be joking?
may they be joking? 	may I have joked?
may you have joked?
may she have joked?
may we have joked?
may you have joked?
may they have joked? 	may I have been joking?
may you have been joking?
may she have been joking?
may we have been joking?
may you have been joking?
may they have been joking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I joke?
mayn't you joke?
mayn't she joke?
mayn't we joke?
mayn't you joke?
mayn't they joke? 	mayn't I be joking?
mayn't you be joking?
mayn't she be joking?
mayn't we be joking?
mayn't you be joking?
mayn't they be joking? 	mayn't I have joked?
mayn't you have joked?
mayn't she have joked?
mayn't we have joked?
mayn't you have joked?
mayn't they have joked? 	mayn't I have been joking?
mayn't you have been joking?
mayn't she have been joking?
mayn't we have been joking?
mayn't you have been joking?
mayn't they have been joking?