English verb conjugation
SHOULD INDEX

Regular verb: index - indexed - indexed

Affirmation

Simple form	V-ing form
I'd index you'd index he'd index we'd index you'd index they'd index	I'd be indexing you'd be indexing he'd be indexing we'd be indexing you'd be indexing they'd be indexing
Perfect	V-ing perfect
I should've indexed you should've indexed he should've indexed we should've indexed you should've indexed they should've indexed	I should've been indexing you should've been indexing he should've been indexing we should've been indexing you should've been indexing they should've been indexing

Negation

Simple form	V-ing form
I shouldn't index you shouldn't index he shouldn't index we shouldn't index you shouldn't index they shouldn't index	I shouldn't be indexing you shouldn't be indexing he shouldn't be indexing we shouldn't be indexing you shouldn't be indexing they shouldn't be indexing
Perfect	V-ing perfect
I shouldn't have indexed you shouldn't have indexed he shouldn't have indexed we shouldn't have indexed you shouldn't have indexed they shouldn't have indexed	I shouldn't have been indexing you shouldn't have been indexing he shouldn't have been indexing we shouldn't have been indexing you shouldn't have been indexing they shouldn't have been indexing

Interrogative form

Simple form	V-ing form
should I index? should you index? should he index? should we index? should you index? should they index?	should I be indexing? should you be indexing? should he be indexing? should we be indexing? should you be indexing? should they be indexing?
Perfect	V-ing perfect
should I have indexed? should you have indexed? should he have indexed? should we have indexed? should you have indexed? should they have indexed?	should I have been indexing? should you have been indexing? should he have been indexing? should we have been indexing? should you have been indexing? should they have been indexing?

Interro-negative form

Simple form	V-ing form
shouldn't I index? shouldn't you index? shouldn't he index? shouldn't we index? shouldn't you index? shouldn't they index?	shouldn't I be indexing? shouldn't you be indexing? shouldn't he be indexing? shouldn't we be indexing? shouldn't you be indexing? shouldn't they be indexing?
Perfect	V-ing perfect
shouldn't I have indexed? shouldn't you have indexed? shouldn't he have indexed? shouldn't we have indexed? shouldn't you have indexed? shouldn't they have indexed?	shouldn't I have been indexing? shouldn't you have been indexing? shouldn't he have been indexing? shouldn't we have been indexing? shouldn't you have been indexing? shouldn't they have been indexing?