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