I could warp you could warp he could warp we could warp you could warp they could warp
V-ing form
I could be warping you could be warping he could be warping we could be warping you could be warping they could be warping
Perfect
I could have warped you could have warped he could have warped we could have warped you could have warped they could have warped
V-ing perfect
I could have been warping you could have been warping he could have been warping we could have been warping you could have been warping they could have been warping
Negation
Simple form
I could not warp you could not warp he could not warp we could not warp you could not warp they could not warp
V-ing form
I could not be warping you could not be warping he could not be warping we could not be warping you could not be warping they could not be warping
Perfect
I could not have warped you could not have warped he could not have warped we could not have warped you could not have warped they could not have warped
V-ing perfect
I could not have been warping you could not have been warping he could not have been warping we could not have been warping you could not have been warping they could not have been warping
Interrogative form
Simple form
could I warp? could you warp? could he warp? could we warp? could you warp? could they warp?
V-ing form
could I be warping? could you be warping? could he be warping? could we be warping? could you be warping? could they be warping?
Perfect
could I have warped? could you have warped? could he have warped? could we have warped? could you have warped? could they have warped?
V-ing perfect
could I have been warping? could you have been warping? could he have been warping? could we have been warping? could you have been warping? could they have been warping?
Interro-negative form
Simple form
could I not warp? could you not warp? could he not warp? could we not warp? could you not warp? could they not warp?
V-ing form
could I not be warping? could you not be warping? could he not be warping? could we not be warping? could you not be warping? could they not be warping?
Perfect
could I not have warped? could you not have warped? could he not have warped? could we not have warped? could you not have warped? could they not have warped?
V-ing perfect
could I not have been warping? could you not have been warping? could he not have been warping? could we not have been warping? could you not have been warping? could they not have been warping?