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