I'd be thinking you'd be thinking she'd be thinking we'd be thinking you'd be thinking they'd be thinking
Perfect
I should've thought you should've thought she should've thought we should've thought you should've thought they should've thought
V-ing perfect
I should've been thinking you should've been thinking she should've been thinking we should've been thinking you should've been thinking they should've been thinking
Negation
Simple form
I shouldn't think you shouldn't think she shouldn't think we shouldn't think you shouldn't think they shouldn't think
V-ing form
I shouldn't be thinking you shouldn't be thinking she shouldn't be thinking we shouldn't be thinking you shouldn't be thinking they shouldn't be thinking
Perfect
I shouldn't have thought you shouldn't have thought she shouldn't have thought we shouldn't have thought you shouldn't have thought they shouldn't have thought
V-ing perfect
I shouldn't have been thinking you shouldn't have been thinking she shouldn't have been thinking we shouldn't have been thinking you shouldn't have been thinking they shouldn't have been thinking
Interrogative form
Simple form
should I think? should you think? should she think? should we think? should you think? should they think?
V-ing form
should I be thinking? should you be thinking? should she be thinking? should we be thinking? should you be thinking? should they be thinking?
Perfect
should I have thought? should you have thought? should she have thought? should we have thought? should you have thought? should they have thought?
V-ing perfect
should I have been thinking? should you have been thinking? should she have been thinking? should we have been thinking? should you have been thinking? should they have been thinking?
Interro-negative form
Simple form
shouldn't I think? shouldn't you think? shouldn't she think? shouldn't we think? shouldn't you think? shouldn't they think?
V-ing form
shouldn't I be thinking? shouldn't you be thinking? shouldn't she be thinking? shouldn't we be thinking? shouldn't you be thinking? shouldn't they be thinking?
Perfect
shouldn't I have thought? shouldn't you have thought? shouldn't she have thought? shouldn't we have thought? shouldn't you have thought? shouldn't they have thought?
V-ing perfect
shouldn't I have been thinking? shouldn't you have been thinking? shouldn't she have been thinking? shouldn't we have been thinking? shouldn't you have been thinking? shouldn't they have been thinking?