I'd be spell-checking you'd be spell-checking he'd be spell-checking we'd be spell-checking you'd be spell-checking they'd be spell-checking
Perfect
I should've spell-checked you should've spell-checked he should've spell-checked we should've spell-checked you should've spell-checked they should've spell-checked
V-ing perfect
I should've been spell-checking you should've been spell-checking he should've been spell-checking we should've been spell-checking you should've been spell-checking they should've been spell-checking
Negation
Simple form
I shouldn't spell-check you shouldn't spell-check he shouldn't spell-check we shouldn't spell-check you shouldn't spell-check they shouldn't spell-check
V-ing form
I shouldn't be spell-checking you shouldn't be spell-checking he shouldn't be spell-checking we shouldn't be spell-checking you shouldn't be spell-checking they shouldn't be spell-checking
Perfect
I shouldn't have spell-checked you shouldn't have spell-checked he shouldn't have spell-checked we shouldn't have spell-checked you shouldn't have spell-checked they shouldn't have spell-checked
V-ing perfect
I shouldn't have been spell-checking you shouldn't have been spell-checking he shouldn't have been spell-checking we shouldn't have been spell-checking you shouldn't have been spell-checking they shouldn't have been spell-checking
Interrogative form
Simple form
should I spell-check? should you spell-check? should he spell-check? should we spell-check? should you spell-check? should they spell-check?
V-ing form
should I be spell-checking? should you be spell-checking? should he be spell-checking? should we be spell-checking? should you be spell-checking? should they be spell-checking?
Perfect
should I have spell-checked? should you have spell-checked? should he have spell-checked? should we have spell-checked? should you have spell-checked? should they have spell-checked?
V-ing perfect
should I have been spell-checking? should you have been spell-checking? should he have been spell-checking? should we have been spell-checking? should you have been spell-checking? should they have been spell-checking?
Interro-negative form
Simple form
shouldn't I spell-check? shouldn't you spell-check? shouldn't he spell-check? shouldn't we spell-check? shouldn't you spell-check? shouldn't they spell-check?
V-ing form
shouldn't I be spell-checking? shouldn't you be spell-checking? shouldn't he be spell-checking? shouldn't we be spell-checking? shouldn't you be spell-checking? shouldn't they be spell-checking?
Perfect
shouldn't I have spell-checked? shouldn't you have spell-checked? shouldn't he have spell-checked? shouldn't we have spell-checked? shouldn't you have spell-checked? shouldn't they have spell-checked?
V-ing perfect
shouldn't I have been spell-checking? shouldn't you have been spell-checking? shouldn't he have been spell-checking? shouldn't we have been spell-checking? shouldn't you have been spell-checking? shouldn't they have been spell-checking?