I'll be backfiring you'll be backfiring she'll be backfiring we'll be backfiring you'll be backfiring they'll be backfiring
Perfect
I'll have backfired you'll have backfired she'll have backfired we'll have backfired you'll have backfired they'll have backfired
V-ing perfect
I'll have been backfiring you'll have been backfiring she'll have been backfiring we'll have been backfiring you'll have been backfiring they'll have been backfiring
Negation
Simple form
I shan't backfire you shan't backfire she shan't backfire we shan't backfire you shan't backfire they shan't backfire
V-ing form
I shan't be backfiring you shan't be backfiring she shan't be backfiring we shan't be backfiring you shan't be backfiring they shan't be backfiring
Perfect
I shan't have backfired you shan't have backfired she shan't have backfired we shan't have backfired you shan't have backfired they shan't have backfired
V-ing perfect
I shan't have been backfiring you shan't have been backfiring she shan't have been backfiring we shan't have been backfiring you shan't have been backfiring they shan't have been backfiring
Interrogative form
Simple form
shall I backfire? shall you backfire? shall she backfire? shall we backfire? shall you backfire? shall they backfire?
V-ing form
shall I be backfiring? shall you be backfiring? shall she be backfiring? shall we be backfiring? shall you be backfiring? shall they be backfiring?
Perfect
shall I have backfired? shall you have backfired? shall she have backfired? shall we have backfired? shall you have backfired? shall they have backfired?
V-ing perfect
shall I have been backfiring? shall you have been backfiring? shall she have been backfiring? shall we have been backfiring? shall you have been backfiring? shall they have been backfiring?
Interro-negative form
Simple form
shan't I backfire? shan't you backfire? shan't she backfire? shan't we backfire? shan't you backfire? shan't they backfire?
V-ing form
shan't I be backfiring? shan't you be backfiring? shan't she be backfiring? shan't we be backfiring? shan't you be backfiring? shan't they be backfiring?
Perfect
shan't I have backfired? shan't you have backfired? shan't she have backfired? shan't we have backfired? shan't you have backfired? shan't they have backfired?
V-ing perfect
shan't I have been backfiring? shan't you have been backfiring? shan't she have been backfiring? shan't we have been backfiring? shan't you have been backfiring? shan't they have been backfiring?