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