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