I should scheme you should scheme she should scheme we should scheme you should scheme they should scheme
V-ing form
I should be scheming you should be scheming she should be scheming we should be scheming you should be scheming they should be scheming
Perfect
I should have schemed you should have schemed she should have schemed we should have schemed you should have schemed they should have schemed
V-ing perfect
I should have been scheming you should have been scheming she should have been scheming we should have been scheming you should have been scheming they should have been scheming
Negation
Simple form
I should not scheme you should not scheme she should not scheme we should not scheme you should not scheme they should not scheme
V-ing form
I should not be scheming you should not be scheming she should not be scheming we should not be scheming you should not be scheming they should not be scheming
Perfect
I should not have schemed you should not have schemed she should not have schemed we should not have schemed you should not have schemed they should not have schemed
V-ing perfect
I should not have been scheming you should not have been scheming she should not have been scheming we should not have been scheming you should not have been scheming they should not 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
should I not scheme? should you not scheme? should she not scheme? should we not scheme? should you not scheme? should they not scheme?
V-ing form
should I not be scheming? should you not be scheming? should she not be scheming? should we not be scheming? should you not be scheming? should they not be scheming?
Perfect
should I not have schemed? should you not have schemed? should she not have schemed? should we not have schemed? should you not have schemed? should they not have schemed?
V-ing perfect
should I not have been scheming? should you not have been scheming? should she not have been scheming? should we not have been scheming? should you not have been scheming? should they not have been scheming?