shall backfill
Verbo regular: backfill - backfilled- backfilled

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shan't backfill
you shan't backfill
he shan't backfill
we shan't backfill
you shan't backfill
they shan't backfill 	I shan't be backfilling
you shan't be backfilling
he shan't be backfilling
we shan't be backfilling
you shan't be backfilling
they shan't be backfilling	I shan't have backfilled
you shan't have backfilled
he shan't have backfilled
we shan't have backfilled
you shan't have backfilled
they shan't have backfilled	I shan't have been backfilling
you shan't have been backfilling
he shan't have been backfilling
we shan't have been backfilling
you shan't have been backfilling
they shan't 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 	
shan't I backfill?
shan't you backfill?
shan't he backfill?
shan't we backfill?
shan't you backfill?
shan't they backfill? 	shan't I be backfilling?
shan't you be backfilling?
shan't he be backfilling?
shan't we be backfilling?
shan't you be backfilling?
shan't they be backfilling? 	shan't I have backfilled?
shan't you have backfilled?
shan't he have backfilled?
shan't we have backfilled?
shan't you have backfilled?
shan't they have backfilled? 	shan't I have been backfilling?
shan't you have been backfilling?
shan't he have been backfilling?
shan't we have been backfilling?
shan't you have been backfilling?
shan't they have been backfilling?