I must photoscan you must photoscan she must photoscan we must photoscan you must photoscan they must photoscan
V-ing form
I must be photoscaning you must be photoscaning she must be photoscaning we must be photoscaning you must be photoscaning they must be photoscaning
Perfect
I must have photoscaned you must have photoscaned she must have photoscaned we must have photoscaned you must have photoscaned they must have photoscaned
V-ing perfect
I must have been photoscaning you must have been photoscaning she must have been photoscaning we must have been photoscaning you must have been photoscaning they must have been photoscaning
Negation
Simple form
I mustn't photoscan you mustn't photoscan she mustn't photoscan we mustn't photoscan you mustn't photoscan they mustn't photoscan
V-ing form
I mustn't be photoscaning you mustn't be photoscaning she mustn't be photoscaning we mustn't be photoscaning you mustn't be photoscaning they mustn't be photoscaning
Perfect
I mustn't have photoscaned you mustn't have photoscaned she mustn't have photoscaned we mustn't have photoscaned you mustn't have photoscaned they mustn't have photoscaned
V-ing perfect
I mustn't have been photoscaning you mustn't have been photoscaning she mustn't have been photoscaning we mustn't have been photoscaning you mustn't have been photoscaning they mustn't have been photoscaning
Interrogative form
Simple form
must I photoscan? must you photoscan? must she photoscan? must we photoscan? must you photoscan? must they photoscan?
V-ing form
must I be photoscaning? must you be photoscaning? must she be photoscaning? must we be photoscaning? must you be photoscaning? must they be photoscaning?
Perfect
must I have photoscaned? must you have photoscaned? must she have photoscaned? must we have photoscaned? must you have photoscaned? must they have photoscaned?
V-ing perfect
must I have been photoscaning? must you have been photoscaning? must she have been photoscaning? must we have been photoscaning? must you have been photoscaning? must they have been photoscaning?
Interro-negative form
Simple form
mustn't I photoscan? mustn't you photoscan? mustn't she photoscan? mustn't we photoscan? mustn't you photoscan? mustn't they photoscan?
V-ing form
mustn't I be photoscaning? mustn't you be photoscaning? mustn't she be photoscaning? mustn't we be photoscaning? mustn't you be photoscaning? mustn't they be photoscaning?
Perfect
mustn't I have photoscaned? mustn't you have photoscaned? mustn't she have photoscaned? mustn't we have photoscaned? mustn't you have photoscaned? mustn't they have photoscaned?
V-ing perfect
mustn't I have been photoscaning? mustn't you have been photoscaning? mustn't she have been photoscaning? mustn't we have been photoscaning? mustn't you have been photoscaning? mustn't they have been photoscaning?