I can blabber you can blabber he can blabber we can blabber you can blabber they can blabber
V-ing form
I can be blabbering you can be blabbering he can be blabbering we can be blabbering you can be blabbering they can be blabbering
Perfect
I can have blabbered you can have blabbered he can have blabbered we can have blabbered you can have blabbered they can have blabbered
V-ing perfect
I can have been blabbering you can have been blabbering he can have been blabbering we can have been blabbering you can have been blabbering they can have been blabbering
Negation
Simple form
I can't blabber you can't blabber he can't blabber we can't blabber you can't blabber they can't blabber
V-ing form
I can't be blabbering you can't be blabbering he can't be blabbering we can't be blabbering you can't be blabbering they can't be blabbering
Perfect
I can't have blabbered you can't have blabbered he can't have blabbered we can't have blabbered you can't have blabbered they can't have blabbered
V-ing perfect
I can't have been blabbering you can't have been blabbering he can't have been blabbering we can't have been blabbering you can't have been blabbering they can't have been blabbering
Interrogative form
Simple form
can I blabber? can you blabber? can he blabber? can we blabber? can you blabber? can they blabber?
V-ing form
can I be blabbering? can you be blabbering? can he be blabbering? can we be blabbering? can you be blabbering? can they be blabbering?
Perfect
can I have blabbered? can you have blabbered? can he have blabbered? can we have blabbered? can you have blabbered? can they have blabbered?
V-ing perfect
can I have been blabbering? can you have been blabbering? can he have been blabbering? can we have been blabbering? can you have been blabbering? can they have been blabbering?
Interro-negative form
Simple form
can't I blabber? can't you blabber? can't he blabber? can't we blabber? can't you blabber? can't they blabber?
V-ing form
can't I be blabbering? can't you be blabbering? can't he be blabbering? can't we be blabbering? can't you be blabbering? can't they be blabbering?
Perfect
can't I have blabbered? can't you have blabbered? can't he have blabbered? can't we have blabbered? can't you have blabbered? can't they have blabbered?
V-ing perfect
can't I have been blabbering? can't you have been blabbering? can't he have been blabbering? can't we have been blabbering? can't you have been blabbering? can't they have been blabbering?