English verb conjugation
COULD PHOTOSCAN

Regular verb: photoscan - photoscaned - photoscaned

Affirmation

Simple form	V-ing form
I could photoscan you could photoscan he could photoscan we could photoscan you could photoscan they could photoscan	I could be photoscaning you could be photoscaning he could be photoscaning we could be photoscaning you could be photoscaning they could be photoscaning
Perfect	V-ing perfect
I could have photoscaned you could have photoscaned he could have photoscaned we could have photoscaned you could have photoscaned they could have photoscaned	I could have been photoscaning you could have been photoscaning he could have been photoscaning we could have been photoscaning you could have been photoscaning they could have been photoscaning

Negation

Simple form	V-ing form
I couldn't photoscan you couldn't photoscan he couldn't photoscan we couldn't photoscan you couldn't photoscan they couldn't photoscan	I couldn't be photoscaning you couldn't be photoscaning he couldn't be photoscaning we couldn't be photoscaning you couldn't be photoscaning they couldn't be photoscaning
Perfect	V-ing perfect
I couldn't have photoscaned you couldn't have photoscaned he couldn't have photoscaned we couldn't have photoscaned you couldn't have photoscaned they couldn't have photoscaned	I couldn't have been photoscaning you couldn't have been photoscaning he couldn't have been photoscaning we couldn't have been photoscaning you couldn't have been photoscaning they couldn't have been photoscaning

Interrogative form

Simple form	V-ing form
could I photoscan? could you photoscan? could he photoscan? could we photoscan? could you photoscan? could they photoscan?	could I be photoscaning? could you be photoscaning? could he be photoscaning? could we be photoscaning? could you be photoscaning? could they be photoscaning?
Perfect	V-ing perfect
could I have photoscaned? could you have photoscaned? could he have photoscaned? could we have photoscaned? could you have photoscaned? could they have photoscaned?	could I have been photoscaning? could you have been photoscaning? could he have been photoscaning? could we have been photoscaning? could you have been photoscaning? could they have been photoscaning?

Interro-negative form

Simple form	V-ing form
couldn't I photoscan? couldn't you photoscan? couldn't he photoscan? couldn't we photoscan? couldn't you photoscan? couldn't they photoscan?	couldn't I be photoscaning? couldn't you be photoscaning? couldn't he be photoscaning? couldn't we be photoscaning? couldn't you be photoscaning? couldn't they be photoscaning?
Perfect	V-ing perfect
couldn't I have photoscaned? couldn't you have photoscaned? couldn't he have photoscaned? couldn't we have photoscaned? couldn't you have photoscaned? couldn't they have photoscaned?	couldn't I have been photoscaning? couldn't you have been photoscaning? couldn't he have been photoscaning? couldn't we have been photoscaning? couldn't you have been photoscaning? couldn't they have been photoscaning?