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