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