shall filter
Verbo regular: filter - filtered- filtered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall filter
you shall filter
he shall filter
we shall filter
you shall filter
they shall filter 	I shall be filtering
you shall be filtering
he shall be filtering
we shall be filtering
you shall be filtering
they shall be filtering	I shall have filtered
you shall have filtered
he shall have filtered
we shall have filtered
you shall have filtered
they shall have filtered	I shall have been filtering
you shall have been filtering
he shall have been filtering
we shall have been filtering
you shall have been filtering
they shall have been filtering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not filter
you shall not filter
he shall not filter
we shall not filter
you shall not filter
they shall not filter 	I shall not be filtering
you shall not be filtering
he shall not be filtering
we shall not be filtering
you shall not be filtering
they shall not be filtering	I shall not have filtered
you shall not have filtered
he shall not have filtered
we shall not have filtered
you shall not have filtered
they shall not have filtered	I shall not have been filtering
you shall not have been filtering
he shall not have been filtering
we shall not have been filtering
you shall not have been filtering
they shall not have been filtering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I filter?
shall you filter?
shall he filter?
shall we filter?
shall you filter?
shall they filter? 	shall I be filtering?
shall you be filtering?
shall he be filtering?
shall we be filtering?
shall you be filtering?
shall they be filtering? 	shall I have filtered?
shall you have filtered?
shall he have filtered?
shall we have filtered?
shall you have filtered?
shall they have filtered? 	shall I have been filtering?
shall you have been filtering?
shall he have been filtering?
shall we have been filtering?
shall you have been filtering?
shall they have been filtering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not filter?
shall you not filter?
shall he not filter?
shall we not filter?
shall you not filter?
shall they not filter? 	shall I not be filtering?
shall you not be filtering?
shall he not be filtering?
shall we not be filtering?
shall you not be filtering?
shall they not be filtering? 	shall I not have filtered?
shall you not have filtered?
shall he not have filtered?
shall we not have filtered?
shall you not have filtered?
shall they not have filtered? 	shall I not have been filtering?
shall you not have been filtering?
shall he not have been filtering?
shall we not have been filtering?
shall you not have been filtering?
shall they not have been filtering?