should quail
Regular verb: quail - quailed- quailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should quail
you should quail
he should quail
we should quail
you should quail
they should quail 	I should be quailing
you should be quailing
he should be quailing
we should be quailing
you should be quailing
they should be quailing	I should have quailed
you should have quailed
he should have quailed
we should have quailed
you should have quailed
they should have quailed	I should have been quailing
you should have been quailing
he should have been quailing
we should have been quailing
you should have been quailing
they should have been quailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not quail
you should not quail
he should not quail
we should not quail
you should not quail
they should not quail 	I should not be quailing
you should not be quailing
he should not be quailing
we should not be quailing
you should not be quailing
they should not be quailing	I should not have quailed
you should not have quailed
he should not have quailed
we should not have quailed
you should not have quailed
they should not have quailed	I should not have been quailing
you should not have been quailing
he should not have been quailing
we should not have been quailing
you should not have been quailing
they should not have been quailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I quail?
should you quail?
should he quail?
should we quail?
should you quail?
should they quail? 	should I be quailing?
should you be quailing?
should he be quailing?
should we be quailing?
should you be quailing?
should they be quailing? 	should I have quailed?
should you have quailed?
should he have quailed?
should we have quailed?
should you have quailed?
should they have quailed? 	should I have been quailing?
should you have been quailing?
should he have been quailing?
should we have been quailing?
should you have been quailing?
should they have been quailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not quail?
should you not quail?
should he not quail?
should we not quail?
should you not quail?
should they not quail? 	should I not be quailing?
should you not be quailing?
should he not be quailing?
should we not be quailing?
should you not be quailing?
should they not be quailing? 	should I not have quailed?
should you not have quailed?
should he not have quailed?
should we not have quailed?
should you not have quailed?
should they not have quailed? 	should I not have been quailing?
should you not have been quailing?
should he not have been quailing?
should we not have been quailing?
should you not have been quailing?
should they not have been quailing?