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