I could deadwood you could deadwood he could deadwood we could deadwood you could deadwood they could deadwood
V-ing form
I could be deadwooding you could be deadwooding he could be deadwooding we could be deadwooding you could be deadwooding they could be deadwooding
Perfect
I could have deadwooded you could have deadwooded he could have deadwooded we could have deadwooded you could have deadwooded they could have deadwooded
V-ing perfect
I could have been deadwooding you could have been deadwooding he could have been deadwooding we could have been deadwooding you could have been deadwooding they could have been deadwooding
Negation
Simple form
I could not deadwood you could not deadwood he could not deadwood we could not deadwood you could not deadwood they could not deadwood
V-ing form
I could not be deadwooding you could not be deadwooding he could not be deadwooding we could not be deadwooding you could not be deadwooding they could not be deadwooding
Perfect
I could not have deadwooded you could not have deadwooded he could not have deadwooded we could not have deadwooded you could not have deadwooded they could not have deadwooded
V-ing perfect
I could not have been deadwooding you could not have been deadwooding he could not have been deadwooding we could not have been deadwooding you could not have been deadwooding they could not have been deadwooding
Interrogative form
Simple form
could I deadwood? could you deadwood? could he deadwood? could we deadwood? could you deadwood? could they deadwood?
V-ing form
could I be deadwooding? could you be deadwooding? could he be deadwooding? could we be deadwooding? could you be deadwooding? could they be deadwooding?
Perfect
could I have deadwooded? could you have deadwooded? could he have deadwooded? could we have deadwooded? could you have deadwooded? could they have deadwooded?
V-ing perfect
could I have been deadwooding? could you have been deadwooding? could he have been deadwooding? could we have been deadwooding? could you have been deadwooding? could they have been deadwooding?
Interro-negative form
Simple form
could I not deadwood? could you not deadwood? could he not deadwood? could we not deadwood? could you not deadwood? could they not deadwood?
V-ing form
could I not be deadwooding? could you not be deadwooding? could he not be deadwooding? could we not be deadwooding? could you not be deadwooding? could they not be deadwooding?
Perfect
could I not have deadwooded? could you not have deadwooded? could he not have deadwooded? could we not have deadwooded? could you not have deadwooded? could they not have deadwooded?
V-ing perfect
could I not have been deadwooding? could you not have been deadwooding? could he not have been deadwooding? could we not have been deadwooding? could you not have been deadwooding? could they not have been deadwooding?