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