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 couldn't deadwood you couldn't deadwood he couldn't deadwood we couldn't deadwood you couldn't deadwood they couldn't deadwood
V-ing form
I couldn't be deadwooding you couldn't be deadwooding he couldn't be deadwooding we couldn't be deadwooding you couldn't be deadwooding they couldn't be deadwooding
Perfect
I couldn't have deadwooded you couldn't have deadwooded he couldn't have deadwooded we couldn't have deadwooded you couldn't have deadwooded they couldn't have deadwooded
V-ing perfect
I couldn't have been deadwooding you couldn't have been deadwooding he couldn't have been deadwooding we couldn't have been deadwooding you couldn't have been deadwooding they couldn't 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
couldn't I deadwood? couldn't you deadwood? couldn't he deadwood? couldn't we deadwood? couldn't you deadwood? couldn't they deadwood?
V-ing form
couldn't I be deadwooding? couldn't you be deadwooding? couldn't he be deadwooding? couldn't we be deadwooding? couldn't you be deadwooding? couldn't they be deadwooding?
Perfect
couldn't I have deadwooded? couldn't you have deadwooded? couldn't he have deadwooded? couldn't we have deadwooded? couldn't you have deadwooded? couldn't they have deadwooded?
V-ing perfect
couldn't I have been deadwooding? couldn't you have been deadwooding? couldn't he have been deadwooding? couldn't we have been deadwooding? couldn't you have been deadwooding? couldn't they have been deadwooding?