ought to derive
Verbo regular: derive - derived- derived

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to derive
you ought to derive
he ought to derive
we ought to derive
you ought to derive
they ought to derive 	I ought to be deriving
you ought to be deriving
he ought to be deriving
we ought to be deriving
you ought to be deriving
they ought to be deriving	I ought to have derived
you ought to have derived
he ought to have derived
we ought to have derived
you ought to have derived
they ought to have derived	I ought to have been deriving
you ought to have been deriving
he ought to have been deriving
we ought to have been deriving
you ought to have been deriving
they ought to have been deriving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to derive
you ought not to derive
he ought not to derive
we ought not to derive
you ought not to derive
they ought not to derive 	I ought not to deriving
you ought not to deriving
he ought not to deriving
we ought not to deriving
you ought not to deriving
they ought not to deriving	I ought not to have derived
you ought not to have derived
he ought not to have derived
we ought not to have derived
you ought not to have derived
they ought not to have derived	I ought not to have been deriving
you ought not to have been deriving
he ought not to have been deriving
we ought not to have been deriving
you ought not to have been deriving
they ought not to have been deriving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I derive?
ought to you derive?
ought to he derive?
ought to we derive?
ought to you derive?
ought to they derive? 	ought to I be deriving?
ought to you be deriving?
ought to he be deriving?
ought to we be deriving?
ought to you be deriving?
ought to they be deriving? 	ought to I have derived?
ought to you have derived?
ought to he have derived?
ought to we have derived?
ought to you have derived?
ought to they have derived? 	ought to I have been deriving?
ought to you have been deriving?
ought to he have been deriving?
ought to we have been deriving?
ought to you have been deriving?
ought to they have been deriving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to derive?
ought you not to derive?
ought he not to derive?
ought we not to derive?
ought you not to derive?
ought they not to derive? 	ought I not to be deriving?
ought you not to be deriving?
ought he not to be deriving?
ought we not to be deriving?
ought you not to be deriving?
ought they not to be deriving? 	ought I not to have derived?
ought you not to have derived?
ought he not to have derived?
ought we not to have derived?
ought you not to have derived?
ought they not to have derived? 	ought I not to have been deriving?
ought you not to have been deriving?
ought he not to have been deriving?
ought we not to have been deriving?
ought you not to have been deriving?
ought they not to have been deriving?