English verb conjugation
SHOULD SPAN

Regular verb: span - spanned - spanned

Affirmation

Simple form	V-ing form
I'd span you'd span she'd span we'd span you'd span they'd span	I'd be spanning you'd be spanning she'd be spanning we'd be spanning you'd be spanning they'd be spanning
Perfect	V-ing perfect
I should've spanned you should've spanned she should've spanned we should've spanned you should've spanned they should've spanned	I should've been spanning you should've been spanning she should've been spanning we should've been spanning you should've been spanning they should've been spanning

Negation

Simple form	V-ing form
I shouldn't span you shouldn't span she shouldn't span we shouldn't span you shouldn't span they shouldn't span	I shouldn't be spanning you shouldn't be spanning she shouldn't be spanning we shouldn't be spanning you shouldn't be spanning they shouldn't be spanning
Perfect	V-ing perfect
I shouldn't have spanned you shouldn't have spanned she shouldn't have spanned we shouldn't have spanned you shouldn't have spanned they shouldn't have spanned	I shouldn't have been spanning you shouldn't have been spanning she shouldn't have been spanning we shouldn't have been spanning you shouldn't have been spanning they shouldn't have been spanning

Interrogative form

Simple form	V-ing form
should I span? should you span? should she span? should we span? should you span? should they span?	should I be spanning? should you be spanning? should she be spanning? should we be spanning? should you be spanning? should they be spanning?
Perfect	V-ing perfect
should I have spanned? should you have spanned? should she have spanned? should we have spanned? should you have spanned? should they have spanned?	should I have been spanning? should you have been spanning? should she have been spanning? should we have been spanning? should you have been spanning? should they have been spanning?

Interro-negative form

Simple form	V-ing form
shouldn't I span? shouldn't you span? shouldn't she span? shouldn't we span? shouldn't you span? shouldn't they span?	shouldn't I be spanning? shouldn't you be spanning? shouldn't she be spanning? shouldn't we be spanning? shouldn't you be spanning? shouldn't they be spanning?
Perfect	V-ing perfect
shouldn't I have spanned? shouldn't you have spanned? shouldn't she have spanned? shouldn't we have spanned? shouldn't you have spanned? shouldn't they have spanned?	shouldn't I have been spanning? shouldn't you have been spanning? shouldn't she have been spanning? shouldn't we have been spanning? shouldn't you have been spanning? shouldn't they have been spanning?