English verb conjugation
OUGHT TO 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 ought to preinvestigate preinvestigate you ought to preinvestigate preinvestigate he ought to preinvestigate preinvestigate we ought to preinvestigate preinvestigate you ought to preinvestigate preinvestigate they ought to preinvestigate preinvestigate	I ought to be preinvestigate preinvestigating you ought to be preinvestigate preinvestigating he ought to be preinvestigate preinvestigating we ought to be preinvestigate preinvestigating you ought to be preinvestigate preinvestigating they ought to be preinvestigate preinvestigating
Perfect	V-ing perfect
I ought to have preinvestigate preinvestigated you ought to have preinvestigate preinvestigated he ought to have preinvestigate preinvestigated we ought to have preinvestigate preinvestigated you ought to have preinvestigate preinvestigated they ought to have preinvestigate preinvestigated	I ought to have been preinvestigate preinvestigating you ought to have been preinvestigate preinvestigating he ought to have been preinvestigate preinvestigating we ought to have been preinvestigate preinvestigating you ought to have been preinvestigate preinvestigating they ought to have been preinvestigate preinvestigating

Negation

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

Interrogative form

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

Interro-negative form

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