I'd be tracing you'd be tracing she'd be tracing we'd be tracing you'd be tracing they'd be tracing
Perfect
I should've traced you should've traced she should've traced we should've traced you should've traced they should've traced
V-ing perfect
I should've been tracing you should've been tracing she should've been tracing we should've been tracing you should've been tracing they should've been tracing
Negation
Simple form
I shouldn't trace you shouldn't trace she shouldn't trace we shouldn't trace you shouldn't trace they shouldn't trace
V-ing form
I shouldn't be tracing you shouldn't be tracing she shouldn't be tracing we shouldn't be tracing you shouldn't be tracing they shouldn't be tracing
Perfect
I shouldn't have traced you shouldn't have traced she shouldn't have traced we shouldn't have traced you shouldn't have traced they shouldn't have traced
V-ing perfect
I shouldn't have been tracing you shouldn't have been tracing she shouldn't have been tracing we shouldn't have been tracing you shouldn't have been tracing they shouldn't have been tracing
Interrogative form
Simple form
should I trace? should you trace? should she trace? should we trace? should you trace? should they trace?
V-ing form
should I be tracing? should you be tracing? should she be tracing? should we be tracing? should you be tracing? should they be tracing?
Perfect
should I have traced? should you have traced? should she have traced? should we have traced? should you have traced? should they have traced?
V-ing perfect
should I have been tracing? should you have been tracing? should she have been tracing? should we have been tracing? should you have been tracing? should they have been tracing?
Interro-negative form
Simple form
shouldn't I trace? shouldn't you trace? shouldn't she trace? shouldn't we trace? shouldn't you trace? shouldn't they trace?
V-ing form
shouldn't I be tracing? shouldn't you be tracing? shouldn't she be tracing? shouldn't we be tracing? shouldn't you be tracing? shouldn't they be tracing?
Perfect
shouldn't I have traced? shouldn't you have traced? shouldn't she have traced? shouldn't we have traced? shouldn't you have traced? shouldn't they have traced?
V-ing perfect
shouldn't I have been tracing? shouldn't you have been tracing? shouldn't she have been tracing? shouldn't we have been tracing? shouldn't you have been tracing? shouldn't they have been tracing?