English verb conjugation
COULD ASCRIBE

Regular verb: ascribe - ascribed - ascribed

Affirmation

Simple form	V-ing form
I could ascribe you could ascribe he could ascribe we could ascribe you could ascribe they could ascribe	I could be ascribing you could be ascribing he could be ascribing we could be ascribing you could be ascribing they could be ascribing
Perfect	V-ing perfect
I could have ascribed you could have ascribed he could have ascribed we could have ascribed you could have ascribed they could have ascribed	I could have been ascribing you could have been ascribing he could have been ascribing we could have been ascribing you could have been ascribing they could have been ascribing

Negation

Simple form	V-ing form
I could not ascribe you could not ascribe he could not ascribe we could not ascribe you could not ascribe they could not ascribe	I could not be ascribing you could not be ascribing he could not be ascribing we could not be ascribing you could not be ascribing they could not be ascribing
Perfect	V-ing perfect
I could not have ascribed you could not have ascribed he could not have ascribed we could not have ascribed you could not have ascribed they could not have ascribed	I could not have been ascribing you could not have been ascribing he could not have been ascribing we could not have been ascribing you could not have been ascribing they could not have been ascribing

Interrogative form

Simple form	V-ing form
could I ascribe? could you ascribe? could he ascribe? could we ascribe? could you ascribe? could they ascribe?	could I be ascribing? could you be ascribing? could he be ascribing? could we be ascribing? could you be ascribing? could they be ascribing?
Perfect	V-ing perfect
could I have ascribed? could you have ascribed? could he have ascribed? could we have ascribed? could you have ascribed? could they have ascribed?	could I have been ascribing? could you have been ascribing? could he have been ascribing? could we have been ascribing? could you have been ascribing? could they have been ascribing?

Interro-negative form

Simple form	V-ing form
could I not ascribe? could you not ascribe? could he not ascribe? could we not ascribe? could you not ascribe? could they not ascribe?	could I not be ascribing? could you not be ascribing? could he not be ascribing? could we not be ascribing? could you not be ascribing? could they not be ascribing?
Perfect	V-ing perfect
could I not have ascribed? could you not have ascribed? could he not have ascribed? could we not have ascribed? could you not have ascribed? could they not have ascribed?	could I not have been ascribing? could you not have been ascribing? could he not have been ascribing? could we not have been ascribing? could you not have been ascribing? could they not have been ascribing?