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 must not photoscan you must not photoscan she must not photoscan we must not photoscan you must not photoscan they must not photoscan
V-ing form
I must not be photoscaning you must not be photoscaning she must not be photoscaning we must not be photoscaning you must not be photoscaning they must not be photoscaning
Perfect
I must not have photoscaned you must not have photoscaned she must not have photoscaned we must not have photoscaned you must not have photoscaned they must not have photoscaned
V-ing perfect
I must not have been photoscaning you must not have been photoscaning she must not have been photoscaning we must not have been photoscaning you must not have been photoscaning they must not 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
must I not photoscan? must you not photoscan? must she not photoscan? must we not photoscan? must you not photoscan? must they not photoscan?
V-ing form
must I not be photoscaning? must you not be photoscaning? must she not be photoscaning? must we not be photoscaning? must you not be photoscaning? must they not be photoscaning?
Perfect
must I not have photoscaned? must you not have photoscaned? must she not have photoscaned? must we not have photoscaned? must you not have photoscaned? must they not have photoscaned?
V-ing perfect
must I not have been photoscaning? must you not have been photoscaning? must she not have been photoscaning? must we not have been photoscaning? must you not have been photoscaning? must they not have been photoscaning?