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