I'd be thinking you'd be thinking he'd be thinking we'd be thinking you'd be thinking they'd be thinking
Perfect
I should've thought you should've thought he 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 he 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 he 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 he 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 he 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 he 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 he think? should we think? should you think? should they think?
V-ing form
should I be thinking? should you be thinking? should he be thinking? should we be thinking? should you be thinking? should they be thinking?
Perfect
should I have thought? should you have thought? should he 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 he 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 he 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 he 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 he 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 he have been thinking? shouldn't we have been thinking? shouldn't you have been thinking? shouldn't they have been thinking?