may shrill
Regular verb: shrill - shrilled- shrilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may shrill
you may shrill
she may shrill
we may shrill
you may shrill
they may shrill 	I may be shrilling
you may be shrilling
she may be shrilling
we may be shrilling
you may be shrilling
they may be shrilling	I may have shrilled
you may have shrilled
she may have shrilled
we may have shrilled
you may have shrilled
they may have shrilled	I may have been shrilling
you may have been shrilling
she may have been shrilling
we may have been shrilling
you may have been shrilling
they may have been shrilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't shrill
you mayn't shrill
she mayn't shrill
we mayn't shrill
you mayn't shrill
they mayn't shrill 	I mayn't be shrilling
you mayn't be shrilling
she mayn't be shrilling
we mayn't be shrilling
you mayn't be shrilling
they mayn't be shrilling	I mayn't have shrilled
you mayn't have shrilled
she mayn't have shrilled
we mayn't have shrilled
you mayn't have shrilled
they mayn't have shrilled	I mayn't have been shrilling
you mayn't have been shrilling
she mayn't have been shrilling
we mayn't have been shrilling
you mayn't have been shrilling
they mayn't have been shrilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I shrill?
may you shrill?
may she shrill?
may we shrill?
may you shrill?
may they shrill? 	may I be shrilling?
may you be shrilling?
may she be shrilling?
may we be shrilling?
may you be shrilling?
may they be shrilling? 	may I have shrilled?
may you have shrilled?
may she have shrilled?
may we have shrilled?
may you have shrilled?
may they have shrilled? 	may I have been shrilling?
may you have been shrilling?
may she have been shrilling?
may we have been shrilling?
may you have been shrilling?
may they have been shrilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I shrill?
mayn't you shrill?
mayn't she shrill?
mayn't we shrill?
mayn't you shrill?
mayn't they shrill? 	mayn't I be shrilling?
mayn't you be shrilling?
mayn't she be shrilling?
mayn't we be shrilling?
mayn't you be shrilling?
mayn't they be shrilling? 	mayn't I have shrilled?
mayn't you have shrilled?
mayn't she have shrilled?
mayn't we have shrilled?
mayn't you have shrilled?
mayn't they have shrilled? 	mayn't I have been shrilling?
mayn't you have been shrilling?
mayn't she have been shrilling?
mayn't we have been shrilling?
mayn't you have been shrilling?
mayn't they have been shrilling?