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