I could unwrap you could unwrap he could unwrap we could unwrap you could unwrap they could unwrap
V-ing form
I could be unwrapping you could be unwrapping he could be unwrapping we could be unwrapping you could be unwrapping they could be unwrapping
Perfect
I could have unwrapped you could have unwrapped he could have unwrapped we could have unwrapped you could have unwrapped they could have unwrapped
V-ing perfect
I could have been unwrapping you could have been unwrapping he could have been unwrapping we could have been unwrapping you could have been unwrapping they could have been unwrapping
Negation
Simple form
I could not unwrap you could not unwrap he could not unwrap we could not unwrap you could not unwrap they could not unwrap
V-ing form
I could not be unwrapping you could not be unwrapping he could not be unwrapping we could not be unwrapping you could not be unwrapping they could not be unwrapping
Perfect
I could not have unwrapped you could not have unwrapped he could not have unwrapped we could not have unwrapped you could not have unwrapped they could not have unwrapped
V-ing perfect
I could not have been unwrapping you could not have been unwrapping he could not have been unwrapping we could not have been unwrapping you could not have been unwrapping they could not have been unwrapping
Interrogative form
Simple form
could I unwrap? could you unwrap? could he unwrap? could we unwrap? could you unwrap? could they unwrap?
V-ing form
could I be unwrapping? could you be unwrapping? could he be unwrapping? could we be unwrapping? could you be unwrapping? could they be unwrapping?
Perfect
could I have unwrapped? could you have unwrapped? could he have unwrapped? could we have unwrapped? could you have unwrapped? could they have unwrapped?
V-ing perfect
could I have been unwrapping? could you have been unwrapping? could he have been unwrapping? could we have been unwrapping? could you have been unwrapping? could they have been unwrapping?
Interro-negative form
Simple form
could I not unwrap? could you not unwrap? could he not unwrap? could we not unwrap? could you not unwrap? could they not unwrap?
V-ing form
could I not be unwrapping? could you not be unwrapping? could he not be unwrapping? could we not be unwrapping? could you not be unwrapping? could they not be unwrapping?
Perfect
could I not have unwrapped? could you not have unwrapped? could he not have unwrapped? could we not have unwrapped? could you not have unwrapped? could they not have unwrapped?
V-ing perfect
could I not have been unwrapping? could you not have been unwrapping? could he not have been unwrapping? could we not have been unwrapping? could you not have been unwrapping? could they not have been unwrapping?