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