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