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