may crow
Regular verb: crow - crowed- crowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may crow
you may crow
she may crow
we may crow
you may crow
they may crow 	I may be crowing
you may be crowing
she may be crowing
we may be crowing
you may be crowing
they may be crowing	I may have crowed
you may have crowed
she may have crowed
we may have crowed
you may have crowed
they may have crowed	I may have been crowing
you may have been crowing
she may have been crowing
we may have been crowing
you may have been crowing
they may have been crowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't crow
you mayn't crow
she mayn't crow
we mayn't crow
you mayn't crow
they mayn't crow 	I mayn't be crowing
you mayn't be crowing
she mayn't be crowing
we mayn't be crowing
you mayn't be crowing
they mayn't be crowing	I mayn't have crowed
you mayn't have crowed
she mayn't have crowed
we mayn't have crowed
you mayn't have crowed
they mayn't have crowed	I mayn't have been crowing
you mayn't have been crowing
she mayn't have been crowing
we mayn't have been crowing
you mayn't have been crowing
they mayn't have been crowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I crow?
may you crow?
may she crow?
may we crow?
may you crow?
may they crow? 	may I be crowing?
may you be crowing?
may she be crowing?
may we be crowing?
may you be crowing?
may they be crowing? 	may I have crowed?
may you have crowed?
may she have crowed?
may we have crowed?
may you have crowed?
may they have crowed? 	may I have been crowing?
may you have been crowing?
may she have been crowing?
may we have been crowing?
may you have been crowing?
may they have been crowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I crow?
mayn't you crow?
mayn't she crow?
mayn't we crow?
mayn't you crow?
mayn't they crow? 	mayn't I be crowing?
mayn't you be crowing?
mayn't she be crowing?
mayn't we be crowing?
mayn't you be crowing?
mayn't they be crowing? 	mayn't I have crowed?
mayn't you have crowed?
mayn't she have crowed?
mayn't we have crowed?
mayn't you have crowed?
mayn't they have crowed? 	mayn't I have been crowing?
mayn't you have been crowing?
mayn't she have been crowing?
mayn't we have been crowing?
mayn't you have been crowing?
mayn't they have been crowing?