I'll be backfilling you'll be backfilling he'll be backfilling we'll be backfilling you'll be backfilling they'll be backfilling
Perfect
I'll have backfilled you'll have backfilled he'll have backfilled we'll have backfilled you'll have backfilled they'll have backfilled
Perfect en V-ing
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
Négation
Forme simple
I shan't backfill you shan't backfill he shan't backfill we shan't backfill you shan't backfill they shan't backfill
Forme en V-ing
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
Perfect
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
Perfect en V-ing
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
Forme interrogative
Forme simple
shall I backfill? shall you backfill? shall he backfill? shall we backfill? shall you backfill? shall they backfill?
Forme en V-ing
shall I be backfilling? shall you be backfilling? shall he be backfilling? shall we be backfilling? shall you be backfilling? shall they be backfilling?
Perfect
shall I have backfilled? shall you have backfilled? shall he have backfilled? shall we have backfilled? shall you have backfilled? shall they have backfilled?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
shan't I backfill? shan't you backfill? shan't he backfill? shan't we backfill? shan't you backfill? shan't they backfill?
Forme en V-ing
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?
Perfect
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?
Perfect en V-ing
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?