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