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