English verb conjugation
SHOULD AGREE

Regular verb: agree - agreed - agreed

Affirmation

Simple form	V-ing form
I'd agree you'd agree he'd agree we'd agree you'd agree they'd agree	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
should I agree? should you agree? should he agree? should we agree? should you agree? should they agree?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?