will countervail
Verbo regular: countervail - countervailed- countervailed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I will countervail
you will countervail
she will countervail
we will countervail
you will countervail
they will countervail 	I will be countervailing
you will be countervailing
she will be countervailing
we will be countervailing
you will be countervailing
they will be countervailing	I will have countervailed
you will have countervailed
she will have countervailed
we will have countervailed
you will have countervailed
they will have countervailed	I will have been countervailing
you will have been countervailing
she will have been countervailing
we will have been countervailing
you will have been countervailing
they will have been countervailing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I will not countervail
you will not countervail
she will not countervail
we will not countervail
you will not countervail
they will not countervail 	I will not be countervailing
you will not be countervailing
she will not be countervailing
we will not be countervailing
you will not be countervailing
they will not be countervailing	I will not have countervailed
you will not have countervailed
she will not have countervailed
we will not have countervailed
you will not have countervailed
they will not have countervailed	I will not have been countervailing
you will not have been countervailing
she will not have been countervailing
we will not have been countervailing
you will not have been countervailing
they will not have been countervailing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
will I countervail?
will you countervail?
will she countervail?
will we countervail?
will you countervail?
will they countervail? 	will I be countervailing?
will you be countervailing?
will she be countervailing?
will we be countervailing?
will you be countervailing?
will they be countervailing? 	will I have countervailed?
will you have countervailed?
will she have countervailed?
will we have countervailed?
will you have countervailed?
will they have countervailed? 	will I have been countervailing?
will you have been countervailing?
will she have been countervailing?
will we have been countervailing?
will you have been countervailing?
will they have been countervailing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
will I not countervail?
will you not countervail?
will she not countervail?
will we not countervail?
will you not countervail?
will they not countervail? 	will I not be countervailing?
will you not be countervailing?
will she not be countervailing?
will we not be countervailing?
will you not be countervailing?
will they not be countervailing? 	will I not have countervailed?
will you not have countervailed?
will she not have countervailed?
will we not have countervailed?
will you not have countervailed?
will they not have countervailed? 	will I not have been countervailing?
will you not have been countervailing?
will she not have been countervailing?
will we not have been countervailing?
will you not have been countervailing?
will they not have been countervailing?