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