would backfill
Regular verb: backfill - backfilled- backfilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would backfill
you would backfill
he would backfill
we would backfill
you would backfill
they would backfill 	I would be backfilling
you would be backfilling
he would be backfilling
we would be backfilling
you would be backfilling
they would be backfilling	I would have backfilled
you would have backfilled
he would have backfilled
we would have backfilled
you would have backfilled
they would have backfilled	I would have been backfilling
you would have been backfilling
he would have been backfilling
we would have been backfilling
you would have been backfilling
they would have been backfilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not backfill
you would not backfill
he would not backfill
we would not backfill
you would not backfill
they would not backfill 	I would not be backfilling
you would not be backfilling
he would not be backfilling
we would not be backfilling
you would not be backfilling
they would not be backfilling	I would not have backfilled
you would not have backfilled
he would not have backfilled
we would not have backfilled
you would not have backfilled
they would not have backfilled	I would not have been backfilling
you would not have been backfilling
he would not have been backfilling
we would not have been backfilling
you would not have been backfilling
they would not have been backfilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I backfill?
would you backfill?
would he backfill?
would we backfill?
would you backfill?
would they backfill? 	would I be backfilling?
would you be backfilling?
would he be backfilling?
would we be backfilling?
would you be backfilling?
would they be backfilling? 	would I have backfilled?
would you have backfilled?
would he have backfilled?
would we have backfilled?
would you have backfilled?
would they have backfilled? 	would I have been backfilling?
would you have been backfilling?
would he have been backfilling?
would we have been backfilling?
would you have been backfilling?
would they have been backfilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I not backfill?
would you not backfill?
would he not backfill?
would we not backfill?
would you not backfill?
would they not backfill? 	would I not be backfilling?
would you not be backfilling?
would he not be backfilling?
would we not be backfilling?
would you not be backfilling?
would they not be backfilling? 	would I not have backfilled?
would you not have backfilled?
would he not have backfilled?
would we not have backfilled?
would you not have backfilled?
would they not have backfilled? 	would I not have been backfilling?
would you not have been backfilling?
would he not have been backfilling?
would we not have been backfilling?
would you not have been backfilling?
would they not have been backfilling?