may barrack
Regular verb: barrack - barracked- barracked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may barrack
you may barrack
he may barrack
we may barrack
you may barrack
they may barrack 	I may be barracking
you may be barracking
he may be barracking
we may be barracking
you may be barracking
they may be barracking	I may have barracked
you may have barracked
he may have barracked
we may have barracked
you may have barracked
they may have barracked	I may have been barracking
you may have been barracking
he may have been barracking
we may have been barracking
you may have been barracking
they may have been barracking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't barrack
you mayn't barrack
he mayn't barrack
we mayn't barrack
you mayn't barrack
they mayn't barrack 	I mayn't be barracking
you mayn't be barracking
he mayn't be barracking
we mayn't be barracking
you mayn't be barracking
they mayn't be barracking	I mayn't have barracked
you mayn't have barracked
he mayn't have barracked
we mayn't have barracked
you mayn't have barracked
they mayn't have barracked	I mayn't have been barracking
you mayn't have been barracking
he mayn't have been barracking
we mayn't have been barracking
you mayn't have been barracking
they mayn't have been barracking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I barrack?
may you barrack?
may he barrack?
may we barrack?
may you barrack?
may they barrack? 	may I be barracking?
may you be barracking?
may he be barracking?
may we be barracking?
may you be barracking?
may they be barracking? 	may I have barracked?
may you have barracked?
may he have barracked?
may we have barracked?
may you have barracked?
may they have barracked? 	may I have been barracking?
may you have been barracking?
may he have been barracking?
may we have been barracking?
may you have been barracking?
may they have been barracking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I barrack?
mayn't you barrack?
mayn't he barrack?
mayn't we barrack?
mayn't you barrack?
mayn't they barrack? 	mayn't I be barracking?
mayn't you be barracking?
mayn't he be barracking?
mayn't we be barracking?
mayn't you be barracking?
mayn't they be barracking? 	mayn't I have barracked?
mayn't you have barracked?
mayn't he have barracked?
mayn't we have barracked?
mayn't you have barracked?
mayn't they have barracked? 	mayn't I have been barracking?
mayn't you have been barracking?
mayn't he have been barracking?
mayn't we have been barracking?
mayn't you have been barracking?
mayn't they have been barracking?