can derive
Regular verb: derive - derived- derived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can derive
you can derive
he can derive
we can derive
you can derive
they can derive 	I can be deriving
you can be deriving
he can be deriving
we can be deriving
you can be deriving
they can be deriving	I can have derived
you can have derived
he can have derived
we can have derived
you can have derived
they can have derived	I can have been deriving
you can have been deriving
he can have been deriving
we can have been deriving
you can have been deriving
they can have been deriving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot derive
you cannot derive
he cannot derive
we cannot derive
you cannot derive
they cannot derive 	I cannot be deriving
you cannot be deriving
he cannot be deriving
we cannot be deriving
you cannot be deriving
they cannot be deriving	I cannot have derived
you cannot have derived
he cannot have derived
we cannot have derived
you cannot have derived
they cannot have derived	I cannot have been deriving
you cannot have been deriving
he cannot have been deriving
we cannot have been deriving
you cannot have been deriving
they cannot have been deriving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I derive?
can you derive?
can he derive?
can we derive?
can you derive?
can they derive? 	can I be deriving?
can you be deriving?
can he be deriving?
can we be deriving?
can you be deriving?
can they be deriving? 	can I have derived?
can you have derived?
can he have derived?
can we have derived?
can you have derived?
can they have derived? 	can I have been deriving?
can you have been deriving?
can he have been deriving?
can we have been deriving?
can you have been deriving?
can they have been deriving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not derive?
can you not derive?
can he not derive?
can we not derive?
can you not derive?
can they not derive? 	can I not be deriving?
can you not be deriving?
can he not be deriving?
can we not be deriving?
can you not be deriving?
can they not be deriving? 	can I not have derived?
can you not have derived?
can he not have derived?
can we not have derived?
can you not have derived?
can they not have derived? 	can I not have been deriving?
can you not have been deriving?
can he not have been deriving?
can we not have been deriving?
can you not have been deriving?
can they not have been deriving?