I can beard you can beard he can beard we can beard you can beard they can beard
V-ing form
I can be bearding you can be bearding he can be bearding we can be bearding you can be bearding they can be bearding
Perfect
I can have bearded you can have bearded he can have bearded we can have bearded you can have bearded they can have bearded
V-ing perfect
I can have been bearding you can have been bearding he can have been bearding we can have been bearding you can have been bearding they can have been bearding
Negation
Simple form
I can't beard you can't beard he can't beard we can't beard you can't beard they can't beard
V-ing form
I can't be bearding you can't be bearding he can't be bearding we can't be bearding you can't be bearding they can't be bearding
Perfect
I can't have bearded you can't have bearded he can't have bearded we can't have bearded you can't have bearded they can't have bearded
V-ing perfect
I can't have been bearding you can't have been bearding he can't have been bearding we can't have been bearding you can't have been bearding they can't have been bearding
Interrogative form
Simple form
can I beard? can you beard? can he beard? can we beard? can you beard? can they beard?
V-ing form
can I be bearding? can you be bearding? can he be bearding? can we be bearding? can you be bearding? can they be bearding?
Perfect
can I have bearded? can you have bearded? can he have bearded? can we have bearded? can you have bearded? can they have bearded?
V-ing perfect
can I have been bearding? can you have been bearding? can he have been bearding? can we have been bearding? can you have been bearding? can they have been bearding?
Interro-negative form
Simple form
can't I beard? can't you beard? can't he beard? can't we beard? can't you beard? can't they beard?
V-ing form
can't I be bearding? can't you be bearding? can't he be bearding? can't we be bearding? can't you be bearding? can't they be bearding?
Perfect
can't I have bearded? can't you have bearded? can't he have bearded? can't we have bearded? can't you have bearded? can't they have bearded?
V-ing perfect
can't I have been bearding? can't you have been bearding? can't he have been bearding? can't we have been bearding? can't you have been bearding? can't they have been bearding?