I must photograph you must photograph he must photograph we must photograph you must photograph they must photograph
V-ing form
I must be photographing you must be photographing he must be photographing we must be photographing you must be photographing they must be photographing
Perfect
I must have photographed you must have photographed he must have photographed we must have photographed you must have photographed they must have photographed
V-ing perfect
I must have been photographing you must have been photographing he must have been photographing we must have been photographing you must have been photographing they must have been photographing
Negation
Simple form
I mustn't photograph you mustn't photograph he mustn't photograph we mustn't photograph you mustn't photograph they mustn't photograph
V-ing form
I mustn't be photographing you mustn't be photographing he mustn't be photographing we mustn't be photographing you mustn't be photographing they mustn't be photographing
Perfect
I mustn't have photographed you mustn't have photographed he mustn't have photographed we mustn't have photographed you mustn't have photographed they mustn't have photographed
V-ing perfect
I mustn't have been photographing you mustn't have been photographing he mustn't have been photographing we mustn't have been photographing you mustn't have been photographing they mustn't have been photographing
Interrogative form
Simple form
must I photograph? must you photograph? must he photograph? must we photograph? must you photograph? must they photograph?
V-ing form
must I be photographing? must you be photographing? must he be photographing? must we be photographing? must you be photographing? must they be photographing?
Perfect
must I have photographed? must you have photographed? must he have photographed? must we have photographed? must you have photographed? must they have photographed?
V-ing perfect
must I have been photographing? must you have been photographing? must he have been photographing? must we have been photographing? must you have been photographing? must they have been photographing?
Interro-negative form
Simple form
mustn't I photograph? mustn't you photograph? mustn't he photograph? mustn't we photograph? mustn't you photograph? mustn't they photograph?
V-ing form
mustn't I be photographing? mustn't you be photographing? mustn't he be photographing? mustn't we be photographing? mustn't you be photographing? mustn't they be photographing?
Perfect
mustn't I have photographed? mustn't you have photographed? mustn't he have photographed? mustn't we have photographed? mustn't you have photographed? mustn't they have photographed?
V-ing perfect
mustn't I have been photographing? mustn't you have been photographing? mustn't he have been photographing? mustn't we have been photographing? mustn't you have been photographing? mustn't they have been photographing?