ought to countervail
Verbe régulier : countervail - countervailed- countervailed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to countervail
you ought to countervail
he ought to countervail
we ought to countervail
you ought to countervail
they ought to countervail 	I ought to be countervailing
you ought to be countervailing
he ought to be countervailing
we ought to be countervailing
you ought to be countervailing
they ought to be countervailing	I ought to have countervailed
you ought to have countervailed
he ought to have countervailed
we ought to have countervailed
you ought to have countervailed
they ought to have countervailed	I ought to have been countervailing
you ought to have been countervailing
he ought to have been countervailing
we ought to have been countervailing
you ought to have been countervailing
they ought to have been countervailing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to countervail
you ought not to countervail
he ought not to countervail
we ought not to countervail
you ought not to countervail
they ought not to countervail 	I ought not to countervailing
you ought not to countervailing
he ought not to countervailing
we ought not to countervailing
you ought not to countervailing
they ought not to countervailing	I ought not to have countervailed
you ought not to have countervailed
he ought not to have countervailed
we ought not to have countervailed
you ought not to have countervailed
they ought not to have countervailed	I ought not to have been countervailing
you ought not to have been countervailing
he ought not to have been countervailing
we ought not to have been countervailing
you ought not to have been countervailing
they ought not to have been countervailing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I countervail?
ought to you countervail?
ought to he countervail?
ought to we countervail?
ought to you countervail?
ought to they countervail? 	ought to I be countervailing?
ought to you be countervailing?
ought to he be countervailing?
ought to we be countervailing?
ought to you be countervailing?
ought to they be countervailing? 	ought to I have countervailed?
ought to you have countervailed?
ought to he have countervailed?
ought to we have countervailed?
ought to you have countervailed?
ought to they have countervailed? 	ought to I have been countervailing?
ought to you have been countervailing?
ought to he have been countervailing?
ought to we have been countervailing?
ought to you have been countervailing?
ought to they have been countervailing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought I not to countervail?
ought you not to countervail?
ought he not to countervail?
ought we not to countervail?
ought you not to countervail?
ought they not to countervail? 	ought I not to be countervailing?
ought you not to be countervailing?
ought he not to be countervailing?
ought we not to be countervailing?
ought you not to be countervailing?
ought they not to be countervailing? 	ought I not to have countervailed?
ought you not to have countervailed?
ought he not to have countervailed?
ought we not to have countervailed?
ought you not to have countervailed?
ought they not to have countervailed? 	ought I not to have been countervailing?
ought you not to have been countervailing?
ought he not to have been countervailing?
ought we not to have been countervailing?
ought you not to have been countervailing?
ought they not to have been countervailing?