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