English verb conjugation
CAN 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 can preinvestigate preinvestigate you can preinvestigate preinvestigate he can preinvestigate preinvestigate we can preinvestigate preinvestigate you can preinvestigate preinvestigate they can preinvestigate preinvestigate	I can be preinvestigate preinvestigating you can be preinvestigate preinvestigating he can be preinvestigate preinvestigating we can be preinvestigate preinvestigating you can be preinvestigate preinvestigating they can be preinvestigate preinvestigating
Perfect	V-ing perfect
I can have preinvestigate preinvestigated you can have preinvestigate preinvestigated he can have preinvestigate preinvestigated we can have preinvestigate preinvestigated you can have preinvestigate preinvestigated they can have preinvestigate preinvestigated	I can have been preinvestigate preinvestigating you can have been preinvestigate preinvestigating he can have been preinvestigate preinvestigating we can have been preinvestigate preinvestigating you can have been preinvestigate preinvestigating they can have been preinvestigate preinvestigating

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not preinvestigate preinvestigate? can you not preinvestigate preinvestigate? can he not preinvestigate preinvestigate? can we not preinvestigate preinvestigate? can you not preinvestigate preinvestigate? can they not preinvestigate preinvestigate?	can I not be preinvestigate preinvestigating? can you not be preinvestigate preinvestigating? can he not be preinvestigate preinvestigating? can we not be preinvestigate preinvestigating? can you not be preinvestigate preinvestigating? can they not be preinvestigate preinvestigating?
Perfect	V-ing perfect
can I not have preinvestigate preinvestigated? can you not have preinvestigate preinvestigated? can he not have preinvestigate preinvestigated? can we not have preinvestigate preinvestigated? can you not have preinvestigate preinvestigated? can they not have preinvestigate preinvestigated?	can I not have been preinvestigate preinvestigating? can you not have been preinvestigate preinvestigating? can he not have been preinvestigate preinvestigating? can we not have been preinvestigate preinvestigating? can you not have been preinvestigate preinvestigating? can they not have been preinvestigate preinvestigating?