shall countervail
Verbo regular: countervail - countervailed- countervailed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall countervail
you shall countervail
he shall countervail
we shall countervail
you shall countervail
they shall countervail 	I shall be countervailing
you shall be countervailing
he shall be countervailing
we shall be countervailing
you shall be countervailing
they shall be countervailing	I shall have countervailed
you shall have countervailed
he shall have countervailed
we shall have countervailed
you shall have countervailed
they shall have countervailed	I shall have been countervailing
you shall have been countervailing
he shall have been countervailing
we shall have been countervailing
you shall have been countervailing
they shall have been countervailing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not countervail
you shall not countervail
he shall not countervail
we shall not countervail
you shall not countervail
they shall not countervail 	I shall not be countervailing
you shall not be countervailing
he shall not be countervailing
we shall not be countervailing
you shall not be countervailing
they shall not be countervailing	I shall not have countervailed
you shall not have countervailed
he shall not have countervailed
we shall not have countervailed
you shall not have countervailed
they shall not have countervailed	I shall not have been countervailing
you shall not have been countervailing
he shall not have been countervailing
we shall not have been countervailing
you shall not have been countervailing
they shall not have been countervailing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I countervail?
shall you countervail?
shall he countervail?
shall we countervail?
shall you countervail?
shall they countervail? 	shall I be countervailing?
shall you be countervailing?
shall he be countervailing?
shall we be countervailing?
shall you be countervailing?
shall they be countervailing? 	shall I have countervailed?
shall you have countervailed?
shall he have countervailed?
shall we have countervailed?
shall you have countervailed?
shall they have countervailed? 	shall I have been countervailing?
shall you have been countervailing?
shall he have been countervailing?
shall we have been countervailing?
shall you have been countervailing?
shall they have been countervailing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not countervail?
shall you not countervail?
shall he not countervail?
shall we not countervail?
shall you not countervail?
shall they not countervail? 	shall I not be countervailing?
shall you not be countervailing?
shall he not be countervailing?
shall we not be countervailing?
shall you not be countervailing?
shall they not be countervailing? 	shall I not have countervailed?
shall you not have countervailed?
shall he not have countervailed?
shall we not have countervailed?
shall you not have countervailed?
shall they not have countervailed? 	shall I not have been countervailing?
shall you not have been countervailing?
shall he not have been countervailing?
shall we not have been countervailing?
shall you not have been countervailing?
shall they not have been countervailing?