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 couldn't ascribe you couldn't ascribe he couldn't ascribe we couldn't ascribe you couldn't ascribe they couldn't ascribe	I couldn't be ascribing you couldn't be ascribing he couldn't be ascribing we couldn't be ascribing you couldn't be ascribing they couldn't be ascribing
Perfect	V-ing perfect
I couldn't have ascribed you couldn't have ascribed he couldn't have ascribed we couldn't have ascribed you couldn't have ascribed they couldn't have ascribed	I couldn't have been ascribing you couldn't have been ascribing he couldn't have been ascribing we couldn't have been ascribing you couldn't have been ascribing they couldn't 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
couldn't I ascribe? couldn't you ascribe? couldn't he ascribe? couldn't we ascribe? couldn't you ascribe? couldn't they ascribe?	couldn't I be ascribing? couldn't you be ascribing? couldn't he be ascribing? couldn't we be ascribing? couldn't you be ascribing? couldn't they be ascribing?
Perfect	V-ing perfect
couldn't I have ascribed? couldn't you have ascribed? couldn't he have ascribed? couldn't we have ascribed? couldn't you have ascribed? couldn't they have ascribed?	couldn't I have been ascribing? couldn't you have been ascribing? couldn't he have been ascribing? couldn't we have been ascribing? couldn't you have been ascribing? couldn't they have been ascribing?