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