I can chamber you can chamber he can chamber we can chamber you can chamber they can chamber
V-ing form
I can be chambering you can be chambering he can be chambering we can be chambering you can be chambering they can be chambering
Perfect
I can have chambered you can have chambered he can have chambered we can have chambered you can have chambered they can have chambered
V-ing perfect
I can have been chambering you can have been chambering he can have been chambering we can have been chambering you can have been chambering they can have been chambering
Negation
Simple form
I cannot chamber you cannot chamber he cannot chamber we cannot chamber you cannot chamber they cannot chamber
V-ing form
I cannot be chambering you cannot be chambering he cannot be chambering we cannot be chambering you cannot be chambering they cannot be chambering
Perfect
I cannot have chambered you cannot have chambered he cannot have chambered we cannot have chambered you cannot have chambered they cannot have chambered
V-ing perfect
I cannot have been chambering you cannot have been chambering he cannot have been chambering we cannot have been chambering you cannot have been chambering they cannot have been chambering
Interrogative form
Simple form
can I chamber? can you chamber? can he chamber? can we chamber? can you chamber? can they chamber?
V-ing form
can I be chambering? can you be chambering? can he be chambering? can we be chambering? can you be chambering? can they be chambering?
Perfect
can I have chambered? can you have chambered? can he have chambered? can we have chambered? can you have chambered? can they have chambered?
V-ing perfect
can I have been chambering? can you have been chambering? can he have been chambering? can we have been chambering? can you have been chambering? can they have been chambering?
Interro-negative form
Simple form
can I not chamber? can you not chamber? can he not chamber? can we not chamber? can you not chamber? can they not chamber?
V-ing form
can I not be chambering? can you not be chambering? can he not be chambering? can we not be chambering? can you not be chambering? can they not be chambering?
Perfect
can I not have chambered? can you not have chambered? can he not have chambered? can we not have chambered? can you not have chambered? can they not have chambered?
V-ing perfect
can I not have been chambering? can you not have been chambering? can he not have been chambering? can we not have been chambering? can you not have been chambering? can they not have been chambering?