Conjugación del verbo inglés
MUST DERIVE

Verbo regular: derive - derived - derived

Afirmación

Forma simple	Forma con V-ing
I must derive you must derive she must derive we must derive you must derive they must derive	I must be deriving you must be deriving she must be deriving we must be deriving you must be deriving they must be deriving
Perfecto	Perfecto con V-ing
I must have derived you must have derived she 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 she must have been deriving we must have been deriving you must have been deriving they must have been deriving

Negación

Forma simple	Forma con V-ing
I must not derive you must not derive she 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 she must not be deriving we must not be deriving you must not be deriving they must not be deriving
Perfecto	Perfecto con V-ing
I must not have derived you must not have derived she 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 she 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 con V-ing
must I derive? must you derive? must she derive? must we derive? must you derive? must they derive?	must I be deriving? must you be deriving? must she be deriving? must we be deriving? must you be deriving? must they be deriving?
Perfecto	Perfecto con V-ing
must I have derived? must you have derived? must she 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 she have been deriving? must we have been deriving? must you have been deriving? must they have been deriving?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not derive? must you not derive? must she 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 she not be deriving? must we not be deriving? must you not be deriving? must they not be deriving?
Perfecto	Perfecto con V-ing
must I not have derived? must you not have derived? must she 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 she not have been deriving? must we not have been deriving? must you not have been deriving? must they not have been deriving?