I could scoop you could scoop she could scoop we could scoop you could scoop they could scoop
V-ing form
I could be scooping you could be scooping she could be scooping we could be scooping you could be scooping they could be scooping
Perfect
I could have scooped you could have scooped she could have scooped we could have scooped you could have scooped they could have scooped
V-ing perfect
I could have been scooping you could have been scooping she could have been scooping we could have been scooping you could have been scooping they could have been scooping
Negation
Simple form
I could not scoop you could not scoop she could not scoop we could not scoop you could not scoop they could not scoop
V-ing form
I could not be scooping you could not be scooping she could not be scooping we could not be scooping you could not be scooping they could not be scooping
Perfect
I could not have scooped you could not have scooped she could not have scooped we could not have scooped you could not have scooped they could not have scooped
V-ing perfect
I could not have been scooping you could not have been scooping she could not have been scooping we could not have been scooping you could not have been scooping they could not have been scooping
Interrogative form
Simple form
could I scoop? could you scoop? could she scoop? could we scoop? could you scoop? could they scoop?
V-ing form
could I be scooping? could you be scooping? could she be scooping? could we be scooping? could you be scooping? could they be scooping?
Perfect
could I have scooped? could you have scooped? could she have scooped? could we have scooped? could you have scooped? could they have scooped?
V-ing perfect
could I have been scooping? could you have been scooping? could she have been scooping? could we have been scooping? could you have been scooping? could they have been scooping?
Interro-negative form
Simple form
could I not scoop? could you not scoop? could she not scoop? could we not scoop? could you not scoop? could they not scoop?
V-ing form
could I not be scooping? could you not be scooping? could she not be scooping? could we not be scooping? could you not be scooping? could they not be scooping?
Perfect
could I not have scooped? could you not have scooped? could she not have scooped? could we not have scooped? could you not have scooped? could they not have scooped?
V-ing perfect
could I not have been scooping? could you not have been scooping? could she not have been scooping? could we not have been scooping? could you not have been scooping? could they not have been scooping?