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