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