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