I should backfire you should backfire she should backfire we should backfire you should backfire they should backfire
Forma com V-ing
I should be backfiring you should be backfiring she should be backfiring we should be backfiring you should be backfiring they should be backfiring
Perfeito
I should have backfired you should have backfired she should have backfired we should have backfired you should have backfired they should have backfired
Perfeito com V-ing
I should have been backfiring you should have been backfiring she should have been backfiring we should have been backfiring you should have been backfiring they should have been backfiring
Negação
Forma simple
I should not backfire you should not backfire she should not backfire we should not backfire you should not backfire they should not backfire
Forma com V-ing
I should not be backfiring you should not be backfiring she should not be backfiring we should not be backfiring you should not be backfiring they should not be backfiring
Perfeito
I should not have backfired you should not have backfired she should not have backfired we should not have backfired you should not have backfired they should not have backfired
Perfeito com V-ing
I should not have been backfiring you should not have been backfiring she should not have been backfiring we should not have been backfiring you should not have been backfiring they should not have been backfiring
Forma interrogativa
Forma simple
should I backfire? should you backfire? should she backfire? should we backfire? should you backfire? should they backfire?
Forma com V-ing
should I be backfiring? should you be backfiring? should she be backfiring? should we be backfiring? should you be backfiring? should they be backfiring?
Perfeito
should I have backfired? should you have backfired? should she have backfired? should we have backfired? should you have backfired? should they have backfired?
Perfeito com V-ing
should I have been backfiring? should you have been backfiring? should she have been backfiring? should we have been backfiring? should you have been backfiring? should they have been backfiring?
Forma interro-Negação
Forma simple
should I not backfire? should you not backfire? should she not backfire? should we not backfire? should you not backfire? should they not backfire?
Forma com V-ing
should I not be backfiring? should you not be backfiring? should she not be backfiring? should we not be backfiring? should you not be backfiring? should they not be backfiring?
Perfeito
should I not have backfired? should you not have backfired? should she not have backfired? should we not have backfired? should you not have backfired? should they not have backfired?
Perfeito com V-ing
should I not have been backfiring? should you not have been backfiring? should she not have been backfiring? should we not have been backfiring? should you not have been backfiring? should they not have been backfiring?