shall backcheck
Verbo regular: backcheck - backchecked- backchecked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall backcheck
you shall backcheck
he shall backcheck
we shall backcheck
you shall backcheck
they shall backcheck 	I shall be backchecking
you shall be backchecking
he shall be backchecking
we shall be backchecking
you shall be backchecking
they shall be backchecking	I shall have backchecked
you shall have backchecked
he shall have backchecked
we shall have backchecked
you shall have backchecked
they shall have backchecked	I shall have been backchecking
you shall have been backchecking
he shall have been backchecking
we shall have been backchecking
you shall have been backchecking
they shall have been backchecking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not backcheck
you shall not backcheck
he shall not backcheck
we shall not backcheck
you shall not backcheck
they shall not backcheck 	I shall not be backchecking
you shall not be backchecking
he shall not be backchecking
we shall not be backchecking
you shall not be backchecking
they shall not be backchecking	I shall not have backchecked
you shall not have backchecked
he shall not have backchecked
we shall not have backchecked
you shall not have backchecked
they shall not have backchecked	I shall not have been backchecking
you shall not have been backchecking
he shall not have been backchecking
we shall not have been backchecking
you shall not have been backchecking
they shall not have been backchecking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I backcheck?
shall you backcheck?
shall he backcheck?
shall we backcheck?
shall you backcheck?
shall they backcheck? 	shall I be backchecking?
shall you be backchecking?
shall he be backchecking?
shall we be backchecking?
shall you be backchecking?
shall they be backchecking? 	shall I have backchecked?
shall you have backchecked?
shall he have backchecked?
shall we have backchecked?
shall you have backchecked?
shall they have backchecked? 	shall I have been backchecking?
shall you have been backchecking?
shall he have been backchecking?
shall we have been backchecking?
shall you have been backchecking?
shall they have been backchecking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not backcheck?
shall you not backcheck?
shall he not backcheck?
shall we not backcheck?
shall you not backcheck?
shall they not backcheck? 	shall I not be backchecking?
shall you not be backchecking?
shall he not be backchecking?
shall we not be backchecking?
shall you not be backchecking?
shall they not be backchecking? 	shall I not have backchecked?
shall you not have backchecked?
shall he not have backchecked?
shall we not have backchecked?
shall you not have backchecked?
shall they not have backchecked? 	shall I not have been backchecking?
shall you not have been backchecking?
shall he not have been backchecking?
shall we not have been backchecking?
shall you not have been backchecking?
shall they not have been backchecking?