English verb conjugation
SHOULD EXPAND

Regular verb: expand - expanded - expanded

Affirmation

Simple form	V-ing form
I'd expand you'd expand he'd expand we'd expand you'd expand they'd expand	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
should I expand? should you expand? should he expand? should we expand? should you expand? should they expand?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?