shall countersink
Verbo irregular: countersink - countersank- countersunk

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall countersink
you shall countersink
she shall countersink
we shall countersink
you shall countersink
they shall countersink 	I shall be countersinking
you shall be countersinking
she shall be countersinking
we shall be countersinking
you shall be countersinking
they shall be countersinking	I shall have countersunk
you shall have countersunk
she shall have countersunk
we shall have countersunk
you shall have countersunk
they shall have countersunk	I shall have been countersinking
you shall have been countersinking
she shall have been countersinking
we shall have been countersinking
you shall have been countersinking
they shall have been countersinking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not countersink
you shall not countersink
she shall not countersink
we shall not countersink
you shall not countersink
they shall not countersink 	I shall not be countersinking
you shall not be countersinking
she shall not be countersinking
we shall not be countersinking
you shall not be countersinking
they shall not be countersinking	I shall not have countersunk
you shall not have countersunk
she shall not have countersunk
we shall not have countersunk
you shall not have countersunk
they shall not have countersunk	I shall not have been countersinking
you shall not have been countersinking
she shall not have been countersinking
we shall not have been countersinking
you shall not have been countersinking
they shall not have been countersinking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I countersink?
shall you countersink?
shall she countersink?
shall we countersink?
shall you countersink?
shall they countersink? 	shall I be countersinking?
shall you be countersinking?
shall she be countersinking?
shall we be countersinking?
shall you be countersinking?
shall they be countersinking? 	shall I have countersunk?
shall you have countersunk?
shall she have countersunk?
shall we have countersunk?
shall you have countersunk?
shall they have countersunk? 	shall I have been countersinking?
shall you have been countersinking?
shall she have been countersinking?
shall we have been countersinking?
shall you have been countersinking?
shall they have been countersinking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not countersink?
shall you not countersink?
shall she not countersink?
shall we not countersink?
shall you not countersink?
shall they not countersink? 	shall I not be countersinking?
shall you not be countersinking?
shall she not be countersinking?
shall we not be countersinking?
shall you not be countersinking?
shall they not be countersinking? 	shall I not have countersunk?
shall you not have countersunk?
shall she not have countersunk?
shall we not have countersunk?
shall you not have countersunk?
shall they not have countersunk? 	shall I not have been countersinking?
shall you not have been countersinking?
shall she not have been countersinking?
shall we not have been countersinking?
shall you not have been countersinking?
shall they not have been countersinking?