I could proscribe you could proscribe she could proscribe we could proscribe you could proscribe they could proscribe
V-ing form
I could be proscribing you could be proscribing she could be proscribing we could be proscribing you could be proscribing they could be proscribing
Perfect
I could have proscribed you could have proscribed she could have proscribed we could have proscribed you could have proscribed they could have proscribed
V-ing perfect
I could have been proscribing you could have been proscribing she could have been proscribing we could have been proscribing you could have been proscribing they could have been proscribing
Negation
Simple form
I could not proscribe you could not proscribe she could not proscribe we could not proscribe you could not proscribe they could not proscribe
V-ing form
I could not be proscribing you could not be proscribing she could not be proscribing we could not be proscribing you could not be proscribing they could not be proscribing
Perfect
I could not have proscribed you could not have proscribed she could not have proscribed we could not have proscribed you could not have proscribed they could not have proscribed
V-ing perfect
I could not have been proscribing you could not have been proscribing she could not have been proscribing we could not have been proscribing you could not have been proscribing they could not have been proscribing
Interrogative form
Simple form
could I proscribe? could you proscribe? could she proscribe? could we proscribe? could you proscribe? could they proscribe?
V-ing form
could I be proscribing? could you be proscribing? could she be proscribing? could we be proscribing? could you be proscribing? could they be proscribing?
Perfect
could I have proscribed? could you have proscribed? could she have proscribed? could we have proscribed? could you have proscribed? could they have proscribed?
V-ing perfect
could I have been proscribing? could you have been proscribing? could she have been proscribing? could we have been proscribing? could you have been proscribing? could they have been proscribing?
Interro-negative form
Simple form
could I not proscribe? could you not proscribe? could she not proscribe? could we not proscribe? could you not proscribe? could they not proscribe?
V-ing form
could I not be proscribing? could you not be proscribing? could she not be proscribing? could we not be proscribing? could you not be proscribing? could they not be proscribing?
Perfect
could I not have proscribed? could you not have proscribed? could she not have proscribed? could we not have proscribed? could you not have proscribed? could they not have proscribed?
V-ing perfect
could I not have been proscribing? could you not have been proscribing? could she not have been proscribing? could we not have been proscribing? could you not have been proscribing? could they not have been proscribing?