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