may cow
Regular verb: cow - cowed- cowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may cow
you may cow
he may cow
we may cow
you may cow
they may cow 	I may be cowing
you may be cowing
he may be cowing
we may be cowing
you may be cowing
they may be cowing	I may have cowed
you may have cowed
he may have cowed
we may have cowed
you may have cowed
they may have cowed	I may have been cowing
you may have been cowing
he may have been cowing
we may have been cowing
you may have been cowing
they may have been cowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't cow
you mayn't cow
he mayn't cow
we mayn't cow
you mayn't cow
they mayn't cow 	I mayn't be cowing
you mayn't be cowing
he mayn't be cowing
we mayn't be cowing
you mayn't be cowing
they mayn't be cowing	I mayn't have cowed
you mayn't have cowed
he mayn't have cowed
we mayn't have cowed
you mayn't have cowed
they mayn't have cowed	I mayn't have been cowing
you mayn't have been cowing
he mayn't have been cowing
we mayn't have been cowing
you mayn't have been cowing
they mayn't have been cowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I cow?
may you cow?
may he cow?
may we cow?
may you cow?
may they cow? 	may I be cowing?
may you be cowing?
may he be cowing?
may we be cowing?
may you be cowing?
may they be cowing? 	may I have cowed?
may you have cowed?
may he have cowed?
may we have cowed?
may you have cowed?
may they have cowed? 	may I have been cowing?
may you have been cowing?
may he have been cowing?
may we have been cowing?
may you have been cowing?
may they have been cowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I cow?
mayn't you cow?
mayn't he cow?
mayn't we cow?
mayn't you cow?
mayn't they cow? 	mayn't I be cowing?
mayn't you be cowing?
mayn't he be cowing?
mayn't we be cowing?
mayn't you be cowing?
mayn't they be cowing? 	mayn't I have cowed?
mayn't you have cowed?
mayn't he have cowed?
mayn't we have cowed?
mayn't you have cowed?
mayn't they have cowed? 	mayn't I have been cowing?
mayn't you have been cowing?
mayn't he have been cowing?
mayn't we have been cowing?
mayn't you have been cowing?
mayn't they have been cowing?