English verb conjugation
MUST PHOTOGRAPH

Regular verb: photograph - photographed - photographed

Affirmation

Simple form	V-ing form
I must photograph you must photograph she must photograph we must photograph you must photograph they must photograph	I must be photographing you must be photographing she must be photographing we must be photographing you must be photographing they must be photographing
Perfect	V-ing perfect
I must have photographed you must have photographed she must have photographed we must have photographed you must have photographed they must have photographed	I must have been photographing you must have been photographing she must have been photographing we must have been photographing you must have been photographing they must have been photographing

Negation

Simple form	V-ing form
I mustn't photograph you mustn't photograph she mustn't photograph we mustn't photograph you mustn't photograph they mustn't photograph	I mustn't be photographing you mustn't be photographing she mustn't be photographing we mustn't be photographing you mustn't be photographing they mustn't be photographing
Perfect	V-ing perfect
I mustn't have photographed you mustn't have photographed she mustn't have photographed we mustn't have photographed you mustn't have photographed they mustn't have photographed	I mustn't have been photographing you mustn't have been photographing she 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	V-ing form
must I photograph? must you photograph? must she photograph? must we photograph? must you photograph? must they photograph?	must I be photographing? must you be photographing? must she be photographing? must we be photographing? must you be photographing? must they be photographing?
Perfect	V-ing perfect
must I have photographed? must you have photographed? must she have photographed? must we have photographed? must you have photographed? must they have photographed?	must I have been photographing? must you have been photographing? must she have been photographing? must we have been photographing? must you have been photographing? must they have been photographing?

Interro-negative form

Simple form	V-ing form
mustn't I photograph? mustn't you photograph? mustn't she photograph? mustn't we photograph? mustn't you photograph? mustn't they photograph?	mustn't I be photographing? mustn't you be photographing? mustn't she be photographing? mustn't we be photographing? mustn't you be photographing? mustn't they be photographing?
Perfect	V-ing perfect
mustn't I have photographed? mustn't you have photographed? mustn't she have photographed? mustn't we have photographed? mustn't you have photographed? mustn't they have photographed?	mustn't I have been photographing? mustn't you have been photographing? mustn't she have been photographing? mustn't we have been photographing? mustn't you have been photographing? mustn't they have been photographing?