I'd be photosynthesizing you'd be photosynthesizing he'd be photosynthesizing we'd be photosynthesizing you'd be photosynthesizing they'd be photosynthesizing
Perfect
I should've photosynthesized you should've photosynthesized he should've photosynthesized we should've photosynthesized you should've photosynthesized they should've photosynthesized
V-ing perfect
I should've been photosynthesizing you should've been photosynthesizing he should've been photosynthesizing we should've been photosynthesizing you should've been photosynthesizing they should've been photosynthesizing
Negation
Simple form
I shouldn't photosynthesize you shouldn't photosynthesize he shouldn't photosynthesize we shouldn't photosynthesize you shouldn't photosynthesize they shouldn't photosynthesize
V-ing form
I shouldn't be photosynthesizing you shouldn't be photosynthesizing he shouldn't be photosynthesizing we shouldn't be photosynthesizing you shouldn't be photosynthesizing they shouldn't be photosynthesizing
Perfect
I shouldn't have photosynthesized you shouldn't have photosynthesized he shouldn't have photosynthesized we shouldn't have photosynthesized you shouldn't have photosynthesized they shouldn't have photosynthesized
V-ing perfect
I shouldn't have been photosynthesizing you shouldn't have been photosynthesizing he shouldn't have been photosynthesizing we shouldn't have been photosynthesizing you shouldn't have been photosynthesizing they shouldn't have been photosynthesizing
Interrogative form
Simple form
should I photosynthesize? should you photosynthesize? should he photosynthesize? should we photosynthesize? should you photosynthesize? should they photosynthesize?
V-ing form
should I be photosynthesizing? should you be photosynthesizing? should he be photosynthesizing? should we be photosynthesizing? should you be photosynthesizing? should they be photosynthesizing?
Perfect
should I have photosynthesized? should you have photosynthesized? should he have photosynthesized? should we have photosynthesized? should you have photosynthesized? should they have photosynthesized?
V-ing perfect
should I have been photosynthesizing? should you have been photosynthesizing? should he have been photosynthesizing? should we have been photosynthesizing? should you have been photosynthesizing? should they have been photosynthesizing?
Interro-negative form
Simple form
shouldn't I photosynthesize? shouldn't you photosynthesize? shouldn't he photosynthesize? shouldn't we photosynthesize? shouldn't you photosynthesize? shouldn't they photosynthesize?
V-ing form
shouldn't I be photosynthesizing? shouldn't you be photosynthesizing? shouldn't he be photosynthesizing? shouldn't we be photosynthesizing? shouldn't you be photosynthesizing? shouldn't they be photosynthesizing?
Perfect
shouldn't I have photosynthesized? shouldn't you have photosynthesized? shouldn't he have photosynthesized? shouldn't we have photosynthesized? shouldn't you have photosynthesized? shouldn't they have photosynthesized?
V-ing perfect
shouldn't I have been photosynthesizing? shouldn't you have been photosynthesizing? shouldn't he have been photosynthesizing? shouldn't we have been photosynthesizing? shouldn't you have been photosynthesizing? shouldn't they have been photosynthesizing?