may cab cab
Regular verb: cab cab - cab cabed- cab cabed

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may cab cab
you may cab cab
he may cab cab
we may cab cab
you may cab cab
they may cab cab 	I may be cab cabing
you may be cab cabing
he may be cab cabing
we may be cab cabing
you may be cab cabing
they may be cab cabing	I may have cab cabed
you may have cab cabed
he may have cab cabed
we may have cab cabed
you may have cab cabed
they may have cab cabed	I may have been cab cabing
you may have been cab cabing
he may have been cab cabing
we may have been cab cabing
you may have been cab cabing
they may have been cab cabing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't cab cab
you mayn't cab cab
he mayn't cab cab
we mayn't cab cab
you mayn't cab cab
they mayn't cab cab 	I mayn't be cab cabing
you mayn't be cab cabing
he mayn't be cab cabing
we mayn't be cab cabing
you mayn't be cab cabing
they mayn't be cab cabing	I mayn't have cab cabed
you mayn't have cab cabed
he mayn't have cab cabed
we mayn't have cab cabed
you mayn't have cab cabed
they mayn't have cab cabed	I mayn't have been cab cabing
you mayn't have been cab cabing
he mayn't have been cab cabing
we mayn't have been cab cabing
you mayn't have been cab cabing
they mayn't have been cab cabing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I cab cab?
may you cab cab?
may he cab cab?
may we cab cab?
may you cab cab?
may they cab cab? 	may I be cab cabing?
may you be cab cabing?
may he be cab cabing?
may we be cab cabing?
may you be cab cabing?
may they be cab cabing? 	may I have cab cabed?
may you have cab cabed?
may he have cab cabed?
may we have cab cabed?
may you have cab cabed?
may they have cab cabed? 	may I have been cab cabing?
may you have been cab cabing?
may he have been cab cabing?
may we have been cab cabing?
may you have been cab cabing?
may they have been cab cabing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I cab cab?
mayn't you cab cab?
mayn't he cab cab?
mayn't we cab cab?
mayn't you cab cab?
mayn't they cab cab? 	mayn't I be cab cabing?
mayn't you be cab cabing?
mayn't he be cab cabing?
mayn't we be cab cabing?
mayn't you be cab cabing?
mayn't they be cab cabing? 	mayn't I have cab cabed?
mayn't you have cab cabed?
mayn't he have cab cabed?
mayn't we have cab cabed?
mayn't you have cab cabed?
mayn't they have cab cabed? 	mayn't I have been cab cabing?
mayn't you have been cab cabing?
mayn't he have been cab cabing?
mayn't we have been cab cabing?
mayn't you have been cab cabing?
mayn't they have been cab cabing?