may trill
Regular verb: trill - trilled- trilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may trill
you may trill
she may trill
we may trill
you may trill
they may trill 	I may be trilling
you may be trilling
she may be trilling
we may be trilling
you may be trilling
they may be trilling	I may have trilled
you may have trilled
she may have trilled
we may have trilled
you may have trilled
they may have trilled	I may have been trilling
you may have been trilling
she may have been trilling
we may have been trilling
you may have been trilling
they may have been trilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't trill
you mayn't trill
she mayn't trill
we mayn't trill
you mayn't trill
they mayn't trill 	I mayn't be trilling
you mayn't be trilling
she mayn't be trilling
we mayn't be trilling
you mayn't be trilling
they mayn't be trilling	I mayn't have trilled
you mayn't have trilled
she mayn't have trilled
we mayn't have trilled
you mayn't have trilled
they mayn't have trilled	I mayn't have been trilling
you mayn't have been trilling
she mayn't have been trilling
we mayn't have been trilling
you mayn't have been trilling
they mayn't have been trilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I trill?
may you trill?
may she trill?
may we trill?
may you trill?
may they trill? 	may I be trilling?
may you be trilling?
may she be trilling?
may we be trilling?
may you be trilling?
may they be trilling? 	may I have trilled?
may you have trilled?
may she have trilled?
may we have trilled?
may you have trilled?
may they have trilled? 	may I have been trilling?
may you have been trilling?
may she have been trilling?
may we have been trilling?
may you have been trilling?
may they have been trilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I trill?
mayn't you trill?
mayn't she trill?
mayn't we trill?
mayn't you trill?
mayn't they trill? 	mayn't I be trilling?
mayn't you be trilling?
mayn't she be trilling?
mayn't we be trilling?
mayn't you be trilling?
mayn't they be trilling? 	mayn't I have trilled?
mayn't you have trilled?
mayn't she have trilled?
mayn't we have trilled?
mayn't you have trilled?
mayn't they have trilled? 	mayn't I have been trilling?
mayn't you have been trilling?
mayn't she have been trilling?
mayn't we have been trilling?
mayn't you have been trilling?
mayn't they have been trilling?