English verb conjugation
SHOULD PREINVESTIGATE PREINVESTIGATE

Regular verb: preinvestigate preinvestigate - preinvestigate preinvestigated - preinvestigate preinvestigated

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I'd preinvestigate preinvestigate you'd preinvestigate preinvestigate he'd preinvestigate preinvestigate we'd preinvestigate preinvestigate you'd preinvestigate preinvestigate they'd preinvestigate preinvestigate	I'd be preinvestigate preinvestigating you'd be preinvestigate preinvestigating he'd be preinvestigate preinvestigating we'd be preinvestigate preinvestigating you'd be preinvestigate preinvestigating they'd be preinvestigate preinvestigating
Perfect	V-ing perfect
I should've preinvestigate preinvestigated you should've preinvestigate preinvestigated he should've preinvestigate preinvestigated we should've preinvestigate preinvestigated you should've preinvestigate preinvestigated they should've preinvestigate preinvestigated	I should've been preinvestigate preinvestigating you should've been preinvestigate preinvestigating he should've been preinvestigate preinvestigating we should've been preinvestigate preinvestigating you should've been preinvestigate preinvestigating they should've been preinvestigate preinvestigating

Negation

Simple form	V-ing form
I shouldn't preinvestigate preinvestigate you shouldn't preinvestigate preinvestigate he shouldn't preinvestigate preinvestigate we shouldn't preinvestigate preinvestigate you shouldn't preinvestigate preinvestigate they shouldn't preinvestigate preinvestigate	I shouldn't be preinvestigate preinvestigating you shouldn't be preinvestigate preinvestigating he shouldn't be preinvestigate preinvestigating we shouldn't be preinvestigate preinvestigating you shouldn't be preinvestigate preinvestigating they shouldn't be preinvestigate preinvestigating
Perfect	V-ing perfect
I shouldn't have preinvestigate preinvestigated you shouldn't have preinvestigate preinvestigated he shouldn't have preinvestigate preinvestigated we shouldn't have preinvestigate preinvestigated you shouldn't have preinvestigate preinvestigated they shouldn't have preinvestigate preinvestigated	I shouldn't have been preinvestigate preinvestigating you shouldn't have been preinvestigate preinvestigating he shouldn't have been preinvestigate preinvestigating we shouldn't have been preinvestigate preinvestigating you shouldn't have been preinvestigate preinvestigating they shouldn't have been preinvestigate preinvestigating

Interrogative form

Simple form	V-ing form
should I preinvestigate preinvestigate? should you preinvestigate preinvestigate? should he preinvestigate preinvestigate? should we preinvestigate preinvestigate? should you preinvestigate preinvestigate? should they preinvestigate preinvestigate?	should I be preinvestigate preinvestigating? should you be preinvestigate preinvestigating? should he be preinvestigate preinvestigating? should we be preinvestigate preinvestigating? should you be preinvestigate preinvestigating? should they be preinvestigate preinvestigating?
Perfect	V-ing perfect
should I have preinvestigate preinvestigated? should you have preinvestigate preinvestigated? should he have preinvestigate preinvestigated? should we have preinvestigate preinvestigated? should you have preinvestigate preinvestigated? should they have preinvestigate preinvestigated?	should I have been preinvestigate preinvestigating? should you have been preinvestigate preinvestigating? should he have been preinvestigate preinvestigating? should we have been preinvestigate preinvestigating? should you have been preinvestigate preinvestigating? should they have been preinvestigate preinvestigating?

Interro-negative form

Simple form	V-ing form
shouldn't I preinvestigate preinvestigate? shouldn't you preinvestigate preinvestigate? shouldn't he preinvestigate preinvestigate? shouldn't we preinvestigate preinvestigate? shouldn't you preinvestigate preinvestigate? shouldn't they preinvestigate preinvestigate?	shouldn't I be preinvestigate preinvestigating? shouldn't you be preinvestigate preinvestigating? shouldn't he be preinvestigate preinvestigating? shouldn't we be preinvestigate preinvestigating? shouldn't you be preinvestigate preinvestigating? shouldn't they be preinvestigate preinvestigating?
Perfect	V-ing perfect
shouldn't I have preinvestigate preinvestigated? shouldn't you have preinvestigate preinvestigated? shouldn't he have preinvestigate preinvestigated? shouldn't we have preinvestigate preinvestigated? shouldn't you have preinvestigate preinvestigated? shouldn't they have preinvestigate preinvestigated?	shouldn't I have been preinvestigate preinvestigating? shouldn't you have been preinvestigate preinvestigating? shouldn't he have been preinvestigate preinvestigating? shouldn't we have been preinvestigate preinvestigating? shouldn't you have been preinvestigate preinvestigating? shouldn't they have been preinvestigate preinvestigating?