may caption
Regular verb: caption - captioned- captioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may caption
you may caption
he may caption
we may caption
you may caption
they may caption 	I may be captioning
you may be captioning
he may be captioning
we may be captioning
you may be captioning
they may be captioning	I may have captioned
you may have captioned
he may have captioned
we may have captioned
you may have captioned
they may have captioned	I may have been captioning
you may have been captioning
he may have been captioning
we may have been captioning
you may have been captioning
they may have been captioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't caption
you mayn't caption
he mayn't caption
we mayn't caption
you mayn't caption
they mayn't caption 	I mayn't be captioning
you mayn't be captioning
he mayn't be captioning
we mayn't be captioning
you mayn't be captioning
they mayn't be captioning	I mayn't have captioned
you mayn't have captioned
he mayn't have captioned
we mayn't have captioned
you mayn't have captioned
they mayn't have captioned	I mayn't have been captioning
you mayn't have been captioning
he mayn't have been captioning
we mayn't have been captioning
you mayn't have been captioning
they mayn't have been captioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I caption?
may you caption?
may he caption?
may we caption?
may you caption?
may they caption? 	may I be captioning?
may you be captioning?
may he be captioning?
may we be captioning?
may you be captioning?
may they be captioning? 	may I have captioned?
may you have captioned?
may he have captioned?
may we have captioned?
may you have captioned?
may they have captioned? 	may I have been captioning?
may you have been captioning?
may he have been captioning?
may we have been captioning?
may you have been captioning?
may they have been captioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I caption?
mayn't you caption?
mayn't he caption?
mayn't we caption?
mayn't you caption?
mayn't they caption? 	mayn't I be captioning?
mayn't you be captioning?
mayn't he be captioning?
mayn't we be captioning?
mayn't you be captioning?
mayn't they be captioning? 	mayn't I have captioned?
mayn't you have captioned?
mayn't he have captioned?
mayn't we have captioned?
mayn't you have captioned?
mayn't they have captioned? 	mayn't I have been captioning?
mayn't you have been captioning?
mayn't he have been captioning?
mayn't we have been captioning?
mayn't you have been captioning?
mayn't they have been captioning?