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