Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could dofferentiate you could dofferentiate he could dofferentiate we could dofferentiate you could dofferentiate they could dofferentiate
V-ing form
I could be dofferentiating you could be dofferentiating he could be dofferentiating we could be dofferentiating you could be dofferentiating they could be dofferentiating
Perfect
I could have dofferentiated you could have dofferentiated he could have dofferentiated we could have dofferentiated you could have dofferentiated they could have dofferentiated
V-ing perfect
I could have been dofferentiating you could have been dofferentiating he could have been dofferentiating we could have been dofferentiating you could have been dofferentiating they could have been dofferentiating
Negation
Simple form
I could not dofferentiate you could not dofferentiate he could not dofferentiate we could not dofferentiate you could not dofferentiate they could not dofferentiate
V-ing form
I could not be dofferentiating you could not be dofferentiating he could not be dofferentiating we could not be dofferentiating you could not be dofferentiating they could not be dofferentiating
Perfect
I could not have dofferentiated you could not have dofferentiated he could not have dofferentiated we could not have dofferentiated you could not have dofferentiated they could not have dofferentiated
V-ing perfect
I could not have been dofferentiating you could not have been dofferentiating he could not have been dofferentiating we could not have been dofferentiating you could not have been dofferentiating they could not have been dofferentiating
Interrogative form
Simple form
could I dofferentiate? could you dofferentiate? could he dofferentiate? could we dofferentiate? could you dofferentiate? could they dofferentiate?
V-ing form
could I be dofferentiating? could you be dofferentiating? could he be dofferentiating? could we be dofferentiating? could you be dofferentiating? could they be dofferentiating?
Perfect
could I have dofferentiated? could you have dofferentiated? could he have dofferentiated? could we have dofferentiated? could you have dofferentiated? could they have dofferentiated?
V-ing perfect
could I have been dofferentiating? could you have been dofferentiating? could he have been dofferentiating? could we have been dofferentiating? could you have been dofferentiating? could they have been dofferentiating?
Interro-negative form
Simple form
could I not dofferentiate? could you not dofferentiate? could he not dofferentiate? could we not dofferentiate? could you not dofferentiate? could they not dofferentiate?
V-ing form
could I not be dofferentiating? could you not be dofferentiating? could he not be dofferentiating? could we not be dofferentiating? could you not be dofferentiating? could they not be dofferentiating?
Perfect
could I not have dofferentiated? could you not have dofferentiated? could he not have dofferentiated? could we not have dofferentiated? could you not have dofferentiated? could they not have dofferentiated?
V-ing perfect
could I not have been dofferentiating? could you not have been dofferentiating? could he not have been dofferentiating? could we not have been dofferentiating? could you not have been dofferentiating? could they not have been dofferentiating?