should vail
Regular verb: vail - vailed- vailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should vail
you should vail
he should vail
we should vail
you should vail
they should vail 	I should be vailing
you should be vailing
he should be vailing
we should be vailing
you should be vailing
they should be vailing	I should have vailed
you should have vailed
he should have vailed
we should have vailed
you should have vailed
they should have vailed	I should have been vailing
you should have been vailing
he should have been vailing
we should have been vailing
you should have been vailing
they should have been vailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not vail
you should not vail
he should not vail
we should not vail
you should not vail
they should not vail 	I should not be vailing
you should not be vailing
he should not be vailing
we should not be vailing
you should not be vailing
they should not be vailing	I should not have vailed
you should not have vailed
he should not have vailed
we should not have vailed
you should not have vailed
they should not have vailed	I should not have been vailing
you should not have been vailing
he should not have been vailing
we should not have been vailing
you should not have been vailing
they should not have been vailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I vail?
should you vail?
should he vail?
should we vail?
should you vail?
should they vail? 	should I be vailing?
should you be vailing?
should he be vailing?
should we be vailing?
should you be vailing?
should they be vailing? 	should I have vailed?
should you have vailed?
should he have vailed?
should we have vailed?
should you have vailed?
should they have vailed? 	should I have been vailing?
should you have been vailing?
should he have been vailing?
should we have been vailing?
should you have been vailing?
should they have been vailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not vail?
should you not vail?
should he not vail?
should we not vail?
should you not vail?
should they not vail? 	should I not be vailing?
should you not be vailing?
should he not be vailing?
should we not be vailing?
should you not be vailing?
should they not be vailing? 	should I not have vailed?
should you not have vailed?
should he not have vailed?
should we not have vailed?
should you not have vailed?
should they not have vailed? 	should I not have been vailing?
should you not have been vailing?
should he not have been vailing?
should we not have been vailing?
should you not have been vailing?
should they not have been vailing?