I could bedeck you could bedeck he could bedeck we could bedeck you could bedeck they could bedeck
V-ing form
I could be bedecking you could be bedecking he could be bedecking we could be bedecking you could be bedecking they could be bedecking
Perfect
I could have bedecked you could have bedecked he could have bedecked we could have bedecked you could have bedecked they could have bedecked
V-ing perfect
I could have been bedecking you could have been bedecking he could have been bedecking we could have been bedecking you could have been bedecking they could have been bedecking
Negation
Simple form
I could not bedeck you could not bedeck he could not bedeck we could not bedeck you could not bedeck they could not bedeck
V-ing form
I could not be bedecking you could not be bedecking he could not be bedecking we could not be bedecking you could not be bedecking they could not be bedecking
Perfect
I could not have bedecked you could not have bedecked he could not have bedecked we could not have bedecked you could not have bedecked they could not have bedecked
V-ing perfect
I could not have been bedecking you could not have been bedecking he could not have been bedecking we could not have been bedecking you could not have been bedecking they could not have been bedecking
Interrogative form
Simple form
could I bedeck? could you bedeck? could he bedeck? could we bedeck? could you bedeck? could they bedeck?
V-ing form
could I be bedecking? could you be bedecking? could he be bedecking? could we be bedecking? could you be bedecking? could they be bedecking?
Perfect
could I have bedecked? could you have bedecked? could he have bedecked? could we have bedecked? could you have bedecked? could they have bedecked?
V-ing perfect
could I have been bedecking? could you have been bedecking? could he have been bedecking? could we have been bedecking? could you have been bedecking? could they have been bedecking?
Interro-negative form
Simple form
could I not bedeck? could you not bedeck? could he not bedeck? could we not bedeck? could you not bedeck? could they not bedeck?
V-ing form
could I not be bedecking? could you not be bedecking? could he not be bedecking? could we not be bedecking? could you not be bedecking? could they not be bedecking?
Perfect
could I not have bedecked? could you not have bedecked? could he not have bedecked? could we not have bedecked? could you not have bedecked? could they not have bedecked?
V-ing perfect
could I not have been bedecking? could you not have been bedecking? could he not have been bedecking? could we not have been bedecking? could you not have been bedecking? could they not have been bedecking?