may tap-dance
Regular verb: tap-dance - tap-danced- tap-danced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may tap-dance
you may tap-dance
he may tap-dance
we may tap-dance
you may tap-dance
they may tap-dance 	I may be tap-dancing
you may be tap-dancing
he may be tap-dancing
we may be tap-dancing
you may be tap-dancing
they may be tap-dancing	I may have tap-danced
you may have tap-danced
he may have tap-danced
we may have tap-danced
you may have tap-danced
they may have tap-danced	I may have been tap-dancing
you may have been tap-dancing
he may have been tap-dancing
we may have been tap-dancing
you may have been tap-dancing
they may have been tap-dancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't tap-dance
you mayn't tap-dance
he mayn't tap-dance
we mayn't tap-dance
you mayn't tap-dance
they mayn't tap-dance 	I mayn't be tap-dancing
you mayn't be tap-dancing
he mayn't be tap-dancing
we mayn't be tap-dancing
you mayn't be tap-dancing
they mayn't be tap-dancing	I mayn't have tap-danced
you mayn't have tap-danced
he mayn't have tap-danced
we mayn't have tap-danced
you mayn't have tap-danced
they mayn't have tap-danced	I mayn't have been tap-dancing
you mayn't have been tap-dancing
he mayn't have been tap-dancing
we mayn't have been tap-dancing
you mayn't have been tap-dancing
they mayn't have been tap-dancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I tap-dance?
may you tap-dance?
may he tap-dance?
may we tap-dance?
may you tap-dance?
may they tap-dance? 	may I be tap-dancing?
may you be tap-dancing?
may he be tap-dancing?
may we be tap-dancing?
may you be tap-dancing?
may they be tap-dancing? 	may I have tap-danced?
may you have tap-danced?
may he have tap-danced?
may we have tap-danced?
may you have tap-danced?
may they have tap-danced? 	may I have been tap-dancing?
may you have been tap-dancing?
may he have been tap-dancing?
may we have been tap-dancing?
may you have been tap-dancing?
may they have been tap-dancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I tap-dance?
mayn't you tap-dance?
mayn't he tap-dance?
mayn't we tap-dance?
mayn't you tap-dance?
mayn't they tap-dance? 	mayn't I be tap-dancing?
mayn't you be tap-dancing?
mayn't he be tap-dancing?
mayn't we be tap-dancing?
mayn't you be tap-dancing?
mayn't they be tap-dancing? 	mayn't I have tap-danced?
mayn't you have tap-danced?
mayn't he have tap-danced?
mayn't we have tap-danced?
mayn't you have tap-danced?
mayn't they have tap-danced? 	mayn't I have been tap-dancing?
mayn't you have been tap-dancing?
mayn't he have been tap-dancing?
mayn't we have been tap-dancing?
mayn't you have been tap-dancing?
mayn't they have been tap-dancing?