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