I'd be chattering you'd be chattering she'd be chattering we'd be chattering you'd be chattering they'd be chattering
Perfect
I should've chattered you should've chattered she should've chattered we should've chattered you should've chattered they should've chattered
V-ing perfect
I should've been chattering you should've been chattering she should've been chattering we should've been chattering you should've been chattering they should've been chattering
Negation
Simple form
I shouldn't chatter you shouldn't chatter she shouldn't chatter we shouldn't chatter you shouldn't chatter they shouldn't chatter
V-ing form
I shouldn't be chattering you shouldn't be chattering she shouldn't be chattering we shouldn't be chattering you shouldn't be chattering they shouldn't be chattering
Perfect
I shouldn't have chattered you shouldn't have chattered she shouldn't have chattered we shouldn't have chattered you shouldn't have chattered they shouldn't have chattered
V-ing perfect
I shouldn't have been chattering you shouldn't have been chattering she shouldn't have been chattering we shouldn't have been chattering you shouldn't have been chattering they shouldn't have been chattering
Interrogative form
Simple form
should I chatter? should you chatter? should she chatter? should we chatter? should you chatter? should they chatter?
V-ing form
should I be chattering? should you be chattering? should she be chattering? should we be chattering? should you be chattering? should they be chattering?
Perfect
should I have chattered? should you have chattered? should she have chattered? should we have chattered? should you have chattered? should they have chattered?
V-ing perfect
should I have been chattering? should you have been chattering? should she have been chattering? should we have been chattering? should you have been chattering? should they have been chattering?
Interro-negative form
Simple form
shouldn't I chatter? shouldn't you chatter? shouldn't she chatter? shouldn't we chatter? shouldn't you chatter? shouldn't they chatter?
V-ing form
shouldn't I be chattering? shouldn't you be chattering? shouldn't she be chattering? shouldn't we be chattering? shouldn't you be chattering? shouldn't they be chattering?
Perfect
shouldn't I have chattered? shouldn't you have chattered? shouldn't she have chattered? shouldn't we have chattered? shouldn't you have chattered? shouldn't they have chattered?
V-ing perfect
shouldn't I have been chattering? shouldn't you have been chattering? shouldn't she have been chattering? shouldn't we have been chattering? shouldn't you have been chattering? shouldn't they have been chattering?