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