should photosynthesise
Regular verb: photosynthesise - photosynthesised- photosynthesised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd photosynthesise
you'd photosynthesise
he'd photosynthesise
we'd photosynthesise
you'd photosynthesise
they'd photosynthesise 	I'd be photosynthesising
you'd be photosynthesising
he'd be photosynthesising
we'd be photosynthesising
you'd be photosynthesising
they'd be photosynthesising	I should've photosynthesised
you should've photosynthesised
he should've photosynthesised
we should've photosynthesised
you should've photosynthesised
they should've photosynthesised	I should've been photosynthesising
you should've been photosynthesising
he should've been photosynthesising
we should've been photosynthesising
you should've been photosynthesising
they should've been photosynthesising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't photosynthesise
you shouldn't photosynthesise
he shouldn't photosynthesise
we shouldn't photosynthesise
you shouldn't photosynthesise
they shouldn't photosynthesise 	I shouldn't be photosynthesising
you shouldn't be photosynthesising
he shouldn't be photosynthesising
we shouldn't be photosynthesising
you shouldn't be photosynthesising
they shouldn't be photosynthesising	I shouldn't have photosynthesised
you shouldn't have photosynthesised
he shouldn't have photosynthesised
we shouldn't have photosynthesised
you shouldn't have photosynthesised
they shouldn't have photosynthesised	I shouldn't have been photosynthesising
you shouldn't have been photosynthesising
he shouldn't have been photosynthesising
we shouldn't have been photosynthesising
you shouldn't have been photosynthesising
they shouldn't have been photosynthesising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I photosynthesise?
should you photosynthesise?
should he photosynthesise?
should we photosynthesise?
should you photosynthesise?
should they photosynthesise? 	should I be photosynthesising?
should you be photosynthesising?
should he be photosynthesising?
should we be photosynthesising?
should you be photosynthesising?
should they be photosynthesising? 	should I have photosynthesised?
should you have photosynthesised?
should he have photosynthesised?
should we have photosynthesised?
should you have photosynthesised?
should they have photosynthesised? 	should I have been photosynthesising?
should you have been photosynthesising?
should he have been photosynthesising?
should we have been photosynthesising?
should you have been photosynthesising?
should they have been photosynthesising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I photosynthesise?
shouldn't you photosynthesise?
shouldn't he photosynthesise?
shouldn't we photosynthesise?
shouldn't you photosynthesise?
shouldn't they photosynthesise? 	shouldn't I be photosynthesising?
shouldn't you be photosynthesising?
shouldn't he be photosynthesising?
shouldn't we be photosynthesising?
shouldn't you be photosynthesising?
shouldn't they be photosynthesising? 	shouldn't I have photosynthesised?
shouldn't you have photosynthesised?
shouldn't he have photosynthesised?
shouldn't we have photosynthesised?
shouldn't you have photosynthesised?
shouldn't they have photosynthesised? 	shouldn't I have been photosynthesising?
shouldn't you have been photosynthesising?
shouldn't he have been photosynthesising?
shouldn't we have been photosynthesising?
shouldn't you have been photosynthesising?
shouldn't they have been photosynthesising?