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 couldn't bedeck you couldn't bedeck he couldn't bedeck we couldn't bedeck you couldn't bedeck they couldn't bedeck
V-ing form
I couldn't be bedecking you couldn't be bedecking he couldn't be bedecking we couldn't be bedecking you couldn't be bedecking they couldn't be bedecking
Perfect
I couldn't have bedecked you couldn't have bedecked he couldn't have bedecked we couldn't have bedecked you couldn't have bedecked they couldn't have bedecked
V-ing perfect
I couldn't have been bedecking you couldn't have been bedecking he couldn't have been bedecking we couldn't have been bedecking you couldn't have been bedecking they couldn't 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
couldn't I bedeck? couldn't you bedeck? couldn't he bedeck? couldn't we bedeck? couldn't you bedeck? couldn't they bedeck?
V-ing form
couldn't I be bedecking? couldn't you be bedecking? couldn't he be bedecking? couldn't we be bedecking? couldn't you be bedecking? couldn't they be bedecking?
Perfect
couldn't I have bedecked? couldn't you have bedecked? couldn't he have bedecked? couldn't we have bedecked? couldn't you have bedecked? couldn't they have bedecked?
V-ing perfect
couldn't I have been bedecking? couldn't you have been bedecking? couldn't he have been bedecking? couldn't we have been bedecking? couldn't you have been bedecking? couldn't they have been bedecking?