would countervail
Regular verb: countervail - countervailed- countervailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would countervail
you would countervail
she would countervail
we would countervail
you would countervail
they would countervail 	I would be countervailing
you would be countervailing
she would be countervailing
we would be countervailing
you would be countervailing
they would be countervailing	I would have countervailed
you would have countervailed
she would have countervailed
we would have countervailed
you would have countervailed
they would have countervailed	I would have been countervailing
you would have been countervailing
she would have been countervailing
we would have been countervailing
you would have been countervailing
they would have been countervailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not countervail
you would not countervail
she would not countervail
we would not countervail
you would not countervail
they would not countervail 	I would not be countervailing
you would not be countervailing
she would not be countervailing
we would not be countervailing
you would not be countervailing
they would not be countervailing	I would not have countervailed
you would not have countervailed
she would not have countervailed
we would not have countervailed
you would not have countervailed
they would not have countervailed	I would not have been countervailing
you would not have been countervailing
she would not have been countervailing
we would not have been countervailing
you would not have been countervailing
they would not have been countervailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I countervail?
would you countervail?
would she countervail?
would we countervail?
would you countervail?
would they countervail? 	would I be countervailing?
would you be countervailing?
would she be countervailing?
would we be countervailing?
would you be countervailing?
would they be countervailing? 	would I have countervailed?
would you have countervailed?
would she have countervailed?
would we have countervailed?
would you have countervailed?
would they have countervailed? 	would I have been countervailing?
would you have been countervailing?
would she have been countervailing?
would we have been countervailing?
would you have been countervailing?
would they have been countervailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I not countervail?
would you not countervail?
would she not countervail?
would we not countervail?
would you not countervail?
would they not countervail? 	would I not be countervailing?
would you not be countervailing?
would she not be countervailing?
would we not be countervailing?
would you not be countervailing?
would they not be countervailing? 	would I not have countervailed?
would you not have countervailed?
would she not have countervailed?
would we not have countervailed?
would you not have countervailed?
would they not have countervailed? 	would I not have been countervailing?
would you not have been countervailing?
would she not have been countervailing?
would we not have been countervailing?
would you not have been countervailing?
would they not have been countervailing?