may shirttail
Regular verb: shirttail - shirttailed- shirttailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may shirttail
you may shirttail
he may shirttail
we may shirttail
you may shirttail
they may shirttail 	I may be shirttailing
you may be shirttailing
he may be shirttailing
we may be shirttailing
you may be shirttailing
they may be shirttailing	I may have shirttailed
you may have shirttailed
he may have shirttailed
we may have shirttailed
you may have shirttailed
they may have shirttailed	I may have been shirttailing
you may have been shirttailing
he may have been shirttailing
we may have been shirttailing
you may have been shirttailing
they may have been shirttailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't shirttail
you mayn't shirttail
he mayn't shirttail
we mayn't shirttail
you mayn't shirttail
they mayn't shirttail 	I mayn't be shirttailing
you mayn't be shirttailing
he mayn't be shirttailing
we mayn't be shirttailing
you mayn't be shirttailing
they mayn't be shirttailing	I mayn't have shirttailed
you mayn't have shirttailed
he mayn't have shirttailed
we mayn't have shirttailed
you mayn't have shirttailed
they mayn't have shirttailed	I mayn't have been shirttailing
you mayn't have been shirttailing
he mayn't have been shirttailing
we mayn't have been shirttailing
you mayn't have been shirttailing
they mayn't have been shirttailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I shirttail?
may you shirttail?
may he shirttail?
may we shirttail?
may you shirttail?
may they shirttail? 	may I be shirttailing?
may you be shirttailing?
may he be shirttailing?
may we be shirttailing?
may you be shirttailing?
may they be shirttailing? 	may I have shirttailed?
may you have shirttailed?
may he have shirttailed?
may we have shirttailed?
may you have shirttailed?
may they have shirttailed? 	may I have been shirttailing?
may you have been shirttailing?
may he have been shirttailing?
may we have been shirttailing?
may you have been shirttailing?
may they have been shirttailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I shirttail?
mayn't you shirttail?
mayn't he shirttail?
mayn't we shirttail?
mayn't you shirttail?
mayn't they shirttail? 	mayn't I be shirttailing?
mayn't you be shirttailing?
mayn't he be shirttailing?
mayn't we be shirttailing?
mayn't you be shirttailing?
mayn't they be shirttailing? 	mayn't I have shirttailed?
mayn't you have shirttailed?
mayn't he have shirttailed?
mayn't we have shirttailed?
mayn't you have shirttailed?
mayn't they have shirttailed? 	mayn't I have been shirttailing?
mayn't you have been shirttailing?
mayn't he have been shirttailing?
mayn't we have been shirttailing?
mayn't you have been shirttailing?
mayn't they have been shirttailing?