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