Conjugação do verbo inglês
MUST DERIVE

Verbo regular: derive - derived - derived

Afirmação

Forma simple	Forma com V-ing
I must derive you must derive he must derive we must derive you must derive they must derive	I must be deriving you must be deriving he must be deriving we must be deriving you must be deriving they must be deriving
Perfeito	Perfeito com V-ing
I must have derived you must have derived he must have derived we must have derived you must have derived they must have derived	I must have been deriving you must have been deriving he must have been deriving we must have been deriving you must have been deriving they must have been deriving

Negação

Forma simple	Forma com V-ing
I must not derive you must not derive he must not derive we must not derive you must not derive they must not derive	I must not be deriving you must not be deriving he must not be deriving we must not be deriving you must not be deriving they must not be deriving
Perfeito	Perfeito com V-ing
I must not have derived you must not have derived he must not have derived we must not have derived you must not have derived they must not have derived	I must not have been deriving you must not have been deriving he must not have been deriving we must not have been deriving you must not have been deriving they must not have been deriving

Forma interrogativa

Forma simple	Forma com V-ing
must I derive? must you derive? must he derive? must we derive? must you derive? must they derive?	must I be deriving? must you be deriving? must he be deriving? must we be deriving? must you be deriving? must they be deriving?
Perfeito	Perfeito com V-ing
must I have derived? must you have derived? must he have derived? must we have derived? must you have derived? must they have derived?	must I have been deriving? must you have been deriving? must he have been deriving? must we have been deriving? must you have been deriving? must they have been deriving?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not derive? must you not derive? must he not derive? must we not derive? must you not derive? must they not derive?	must I not be deriving? must you not be deriving? must he not be deriving? must we not be deriving? must you not be deriving? must they not be deriving?
Perfeito	Perfeito com V-ing
must I not have derived? must you not have derived? must he not have derived? must we not have derived? must you not have derived? must they not have derived?	must I not have been deriving? must you not have been deriving? must he not have been deriving? must we not have been deriving? must you not have been deriving? must they not have been deriving?