can shirttail
Regular verb: shirttail - shirttailed- shirttailed

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

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

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

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