Conjugação do verbo inglês
MUST BACKFIRE

Verbo regular: backfire - backfired - backfired

Afirmação

Forma simple	Forma com V-ing
I must backfire you must backfire he must backfire we must backfire you must backfire they must backfire	I must be backfiring you must be backfiring he must be backfiring we must be backfiring you must be backfiring they must be backfiring
Perfeito	Perfeito com V-ing
I must have backfired you must have backfired he must have backfired we must have backfired you must have backfired they must have backfired	I must have been backfiring you must have been backfiring he must have been backfiring we must have been backfiring you must have been backfiring they must have been backfiring

Negação

Forma simple	Forma com V-ing
I mustn't backfire you mustn't backfire he mustn't backfire we mustn't backfire you mustn't backfire they mustn't backfire	I mustn't be backfiring you mustn't be backfiring he mustn't be backfiring we mustn't be backfiring you mustn't be backfiring they mustn't be backfiring
Perfeito	Perfeito com V-ing
I mustn't have backfired you mustn't have backfired he mustn't have backfired we mustn't have backfired you mustn't have backfired they mustn't have backfired	I mustn't have been backfiring you mustn't have been backfiring he mustn't have been backfiring we mustn't have been backfiring you mustn't have been backfiring they mustn't have been backfiring

Forma interrogativa

Forma simple	Forma com V-ing
must I backfire? must you backfire? must he backfire? must we backfire? must you backfire? must they backfire?	must I be backfiring? must you be backfiring? must he be backfiring? must we be backfiring? must you be backfiring? must they be backfiring?
Perfeito	Perfeito com V-ing
must I have backfired? must you have backfired? must he have backfired? must we have backfired? must you have backfired? must they have backfired?	must I have been backfiring? must you have been backfiring? must he have been backfiring? must we have been backfiring? must you have been backfiring? must they have been backfiring?

Forma interro-Negação

Forma simple	Forma com V-ing
mustn't I backfire? mustn't you backfire? mustn't he backfire? mustn't we backfire? mustn't you backfire? mustn't they backfire?	mustn't I be backfiring? mustn't you be backfiring? mustn't he be backfiring? mustn't we be backfiring? mustn't you be backfiring? mustn't they be backfiring?
Perfeito	Perfeito com V-ing
mustn't I have backfired? mustn't you have backfired? mustn't he have backfired? mustn't we have backfired? mustn't you have backfired? mustn't they have backfired?	mustn't I have been backfiring? mustn't you have been backfiring? mustn't he have been backfiring? mustn't we have been backfiring? mustn't you have been backfiring? mustn't they have been backfiring?