I could deem you could deem he could deem we could deem you could deem they could deem
V-ing form
I could be deeming you could be deeming he could be deeming we could be deeming you could be deeming they could be deeming
Perfect
I could have deemed you could have deemed he could have deemed we could have deemed you could have deemed they could have deemed
V-ing perfect
I could have been deeming you could have been deeming he could have been deeming we could have been deeming you could have been deeming they could have been deeming
Negation
Simple form
I could not deem you could not deem he could not deem we could not deem you could not deem they could not deem
V-ing form
I could not be deeming you could not be deeming he could not be deeming we could not be deeming you could not be deeming they could not be deeming
Perfect
I could not have deemed you could not have deemed he could not have deemed we could not have deemed you could not have deemed they could not have deemed
V-ing perfect
I could not have been deeming you could not have been deeming he could not have been deeming we could not have been deeming you could not have been deeming they could not have been deeming
Interrogative form
Simple form
could I deem? could you deem? could he deem? could we deem? could you deem? could they deem?
V-ing form
could I be deeming? could you be deeming? could he be deeming? could we be deeming? could you be deeming? could they be deeming?
Perfect
could I have deemed? could you have deemed? could he have deemed? could we have deemed? could you have deemed? could they have deemed?
V-ing perfect
could I have been deeming? could you have been deeming? could he have been deeming? could we have been deeming? could you have been deeming? could they have been deeming?
Interro-negative form
Simple form
could I not deem? could you not deem? could he not deem? could we not deem? could you not deem? could they not deem?
V-ing form
could I not be deeming? could you not be deeming? could he not be deeming? could we not be deeming? could you not be deeming? could they not be deeming?
Perfect
could I not have deemed? could you not have deemed? could he not have deemed? could we not have deemed? could you not have deemed? could they not have deemed?
V-ing perfect
could I not have been deeming? could you not have been deeming? could he not have been deeming? could we not have been deeming? could you not have been deeming? could they not have been deeming?