I could outcrop you could outcrop he could outcrop we could outcrop you could outcrop they could outcrop
V-ing form
I could be outcropping you could be outcropping he could be outcropping we could be outcropping you could be outcropping they could be outcropping
Perfect
I could have outcropped you could have outcropped he could have outcropped we could have outcropped you could have outcropped they could have outcropped
V-ing perfect
I could have been outcropping you could have been outcropping he could have been outcropping we could have been outcropping you could have been outcropping they could have been outcropping
Negation
Simple form
I could not outcrop you could not outcrop he could not outcrop we could not outcrop you could not outcrop they could not outcrop
V-ing form
I could not be outcropping you could not be outcropping he could not be outcropping we could not be outcropping you could not be outcropping they could not be outcropping
Perfect
I could not have outcropped you could not have outcropped he could not have outcropped we could not have outcropped you could not have outcropped they could not have outcropped
V-ing perfect
I could not have been outcropping you could not have been outcropping he could not have been outcropping we could not have been outcropping you could not have been outcropping they could not have been outcropping
Interrogative form
Simple form
could I outcrop? could you outcrop? could he outcrop? could we outcrop? could you outcrop? could they outcrop?
V-ing form
could I be outcropping? could you be outcropping? could he be outcropping? could we be outcropping? could you be outcropping? could they be outcropping?
Perfect
could I have outcropped? could you have outcropped? could he have outcropped? could we have outcropped? could you have outcropped? could they have outcropped?
V-ing perfect
could I have been outcropping? could you have been outcropping? could he have been outcropping? could we have been outcropping? could you have been outcropping? could they have been outcropping?
Interro-negative form
Simple form
could I not outcrop? could you not outcrop? could he not outcrop? could we not outcrop? could you not outcrop? could they not outcrop?
V-ing form
could I not be outcropping? could you not be outcropping? could he not be outcropping? could we not be outcropping? could you not be outcropping? could they not be outcropping?
Perfect
could I not have outcropped? could you not have outcropped? could he not have outcropped? could we not have outcropped? could you not have outcropped? could they not have outcropped?
V-ing perfect
could I not have been outcropping? could you not have been outcropping? could he not have been outcropping? could we not have been outcropping? could you not have been outcropping? could they not have been outcropping?