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