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