should ail
Regular verb: ail - ailed- ailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should ail
you should ail
she should ail
we should ail
you should ail
they should ail 	I should be ailing
you should be ailing
she should be ailing
we should be ailing
you should be ailing
they should be ailing	I should have ailed
you should have ailed
she should have ailed
we should have ailed
you should have ailed
they should have ailed	I should have been ailing
you should have been ailing
she should have been ailing
we should have been ailing
you should have been ailing
they should have been ailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not ail
you should not ail
she should not ail
we should not ail
you should not ail
they should not ail 	I should not be ailing
you should not be ailing
she should not be ailing
we should not be ailing
you should not be ailing
they should not be ailing	I should not have ailed
you should not have ailed
she should not have ailed
we should not have ailed
you should not have ailed
they should not have ailed	I should not have been ailing
you should not have been ailing
she should not have been ailing
we should not have been ailing
you should not have been ailing
they should not have been ailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I ail?
should you ail?
should she ail?
should we ail?
should you ail?
should they ail? 	should I be ailing?
should you be ailing?
should she be ailing?
should we be ailing?
should you be ailing?
should they be ailing? 	should I have ailed?
should you have ailed?
should she have ailed?
should we have ailed?
should you have ailed?
should they have ailed? 	should I have been ailing?
should you have been ailing?
should she have been ailing?
should we have been ailing?
should you have been ailing?
should they have been ailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not ail?
should you not ail?
should she not ail?
should we not ail?
should you not ail?
should they not ail? 	should I not be ailing?
should you not be ailing?
should she not be ailing?
should we not be ailing?
should you not be ailing?
should they not be ailing? 	should I not have ailed?
should you not have ailed?
should she not have ailed?
should we not have ailed?
should you not have ailed?
should they not have ailed? 	should I not have been ailing?
should you not have been ailing?
should she not have been ailing?
should we not have been ailing?
should you not have been ailing?
should they not have been ailing?