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