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