shall backfill
Verbo regular: backfill - backfilled- backfilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall backfill
you shall backfill
he shall backfill
we shall backfill
you shall backfill
they shall backfill 	I shall be backfilling
you shall be backfilling
he shall be backfilling
we shall be backfilling
you shall be backfilling
they shall be backfilling	I shall have backfilled
you shall have backfilled
he shall have backfilled
we shall have backfilled
you shall have backfilled
they shall have backfilled	I shall have been backfilling
you shall have been backfilling
he shall have been backfilling
we shall have been backfilling
you shall have been backfilling
they shall have been backfilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not backfill
you shall not backfill
he shall not backfill
we shall not backfill
you shall not backfill
they shall not backfill 	I shall not be backfilling
you shall not be backfilling
he shall not be backfilling
we shall not be backfilling
you shall not be backfilling
they shall not be backfilling	I shall not have backfilled
you shall not have backfilled
he shall not have backfilled
we shall not have backfilled
you shall not have backfilled
they shall not have backfilled	I shall not have been backfilling
you shall not have been backfilling
he shall not have been backfilling
we shall not have been backfilling
you shall not have been backfilling
they shall not have been backfilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I backfill?
shall you backfill?
shall he backfill?
shall we backfill?
shall you backfill?
shall they backfill? 	shall I be backfilling?
shall you be backfilling?
shall he be backfilling?
shall we be backfilling?
shall you be backfilling?
shall they be backfilling? 	shall I have backfilled?
shall you have backfilled?
shall he have backfilled?
shall we have backfilled?
shall you have backfilled?
shall they have backfilled? 	shall I have been backfilling?
shall you have been backfilling?
shall he have been backfilling?
shall we have been backfilling?
shall you have been backfilling?
shall they have been backfilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not backfill?
shall you not backfill?
shall he not backfill?
shall we not backfill?
shall you not backfill?
shall they not backfill? 	shall I not be backfilling?
shall you not be backfilling?
shall he not be backfilling?
shall we not be backfilling?
shall you not be backfilling?
shall they not be backfilling? 	shall I not have backfilled?
shall you not have backfilled?
shall he not have backfilled?
shall we not have backfilled?
shall you not have backfilled?
shall they not have backfilled? 	shall I not have been backfilling?
shall you not have been backfilling?
shall he not have been backfilling?
shall we not have been backfilling?
shall you not have been backfilling?
shall they not have been backfilling?