I'd be spoiling you'd be spoiling he'd be spoiling we'd be spoiling you'd be spoiling they'd be spoiling
Perfect
I should've spoiled, spoilt you should've spoiled, spoilt he should've spoiled, spoilt we should've spoiled, spoilt you should've spoiled, spoilt they should've spoiled, spoilt
V-ing perfect
I should've been spoiling you should've been spoiling he should've been spoiling we should've been spoiling you should've been spoiling they should've been spoiling
Negation
Simple form
I shouldn't spoil you shouldn't spoil he shouldn't spoil we shouldn't spoil you shouldn't spoil they shouldn't spoil
V-ing form
I shouldn't be spoiling you shouldn't be spoiling he shouldn't be spoiling we shouldn't be spoiling you shouldn't be spoiling they shouldn't be spoiling
Perfect
I shouldn't have spoiled, spoilt you shouldn't have spoiled, spoilt he shouldn't have spoiled, spoilt we shouldn't have spoiled, spoilt you shouldn't have spoiled, spoilt they shouldn't have spoiled, spoilt
V-ing perfect
I shouldn't have been spoiling you shouldn't have been spoiling he shouldn't have been spoiling we shouldn't have been spoiling you shouldn't have been spoiling they shouldn't have been spoiling
Interrogative form
Simple form
should I spoil? should you spoil? should he spoil? should we spoil? should you spoil? should they spoil?
V-ing form
should I be spoiling? should you be spoiling? should he be spoiling? should we be spoiling? should you be spoiling? should they be spoiling?
Perfect
should I have spoiled, spoilt? should you have spoiled, spoilt? should he have spoiled, spoilt? should we have spoiled, spoilt? should you have spoiled, spoilt? should they have spoiled, spoilt?
V-ing perfect
should I have been spoiling? should you have been spoiling? should he have been spoiling? should we have been spoiling? should you have been spoiling? should they have been spoiling?
Interro-negative form
Simple form
shouldn't I spoil? shouldn't you spoil? shouldn't he spoil? shouldn't we spoil? shouldn't you spoil? shouldn't they spoil?
V-ing form
shouldn't I be spoiling? shouldn't you be spoiling? shouldn't he be spoiling? shouldn't we be spoiling? shouldn't you be spoiling? shouldn't they be spoiling?
Perfect
shouldn't I have spoiled, spoilt? shouldn't you have spoiled, spoilt? shouldn't he have spoiled, spoilt? shouldn't we have spoiled, spoilt? shouldn't you have spoiled, spoilt? shouldn't they have spoiled, spoilt?
V-ing perfect
shouldn't I have been spoiling? shouldn't you have been spoiling? shouldn't he have been spoiling? shouldn't we have been spoiling? shouldn't you have been spoiling? shouldn't they have been spoiling?