I should chat you should chat she should chat we should chat you should chat they should chat
V-ing form
I should be chatting you should be chatting she should be chatting we should be chatting you should be chatting they should be chatting
Perfect
I should have chatted you should have chatted she should have chatted we should have chatted you should have chatted they should have chatted
V-ing perfect
I should have been chatting you should have been chatting she should have been chatting we should have been chatting you should have been chatting they should have been chatting
Negation
Simple form
I should not chat you should not chat she should not chat we should not chat you should not chat they should not chat
V-ing form
I should not be chatting you should not be chatting she should not be chatting we should not be chatting you should not be chatting they should not be chatting
Perfect
I should not have chatted you should not have chatted she should not have chatted we should not have chatted you should not have chatted they should not have chatted
V-ing perfect
I should not have been chatting you should not have been chatting she should not have been chatting we should not have been chatting you should not have been chatting they should not have been chatting
Interrogative form
Simple form
should I chat? should you chat? should she chat? should we chat? should you chat? should they chat?
V-ing form
should I be chatting? should you be chatting? should she be chatting? should we be chatting? should you be chatting? should they be chatting?
Perfect
should I have chatted? should you have chatted? should she 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 she have been chatting? should we have been chatting? should you have been chatting? should they have been chatting?
Interro-negative form
Simple form
should I not chat? should you not chat? should she not chat? should we not chat? should you not chat? should they not chat?
V-ing form
should I not be chatting? should you not be chatting? should she not be chatting? should we not be chatting? should you not be chatting? should they not be chatting?
Perfect
should I not have chatted? should you not have chatted? should she not have chatted? should we not have chatted? should you not have chatted? should they not have chatted?
V-ing perfect
should I not have been chatting? should you not have been chatting? should she not have been chatting? should we not have been chatting? should you not have been chatting? should they not have been chatting?