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