Conjugaison du verbe anglais
MUST PREINVESTIGATE

Verbe régulier : preinvestigate - preinvestigated - preinvestigated

Affirmation

Forme simple	Forme en V-ing
I must preinvestigate you must preinvestigate he must preinvestigate we must preinvestigate you must preinvestigate they must preinvestigate	I must be preinvestigating you must be preinvestigating he must be preinvestigating we must be preinvestigating you must be preinvestigating they must be preinvestigating
Perfect	Perfect en V-ing
I must have preinvestigated you must have preinvestigated he must have preinvestigated we must have preinvestigated you must have preinvestigated they must have preinvestigated	I must have been preinvestigating you must have been preinvestigating he must have been preinvestigating we must have been preinvestigating you must have been preinvestigating they must have been preinvestigating

Négation

Forme simple	Forme en V-ing
I must not preinvestigate you must not preinvestigate he must not preinvestigate we must not preinvestigate you must not preinvestigate they must not preinvestigate	I must not be preinvestigating you must not be preinvestigating he must not be preinvestigating we must not be preinvestigating you must not be preinvestigating they must not be preinvestigating
Perfect	Perfect en V-ing
I must not have preinvestigated you must not have preinvestigated he must not have preinvestigated we must not have preinvestigated you must not have preinvestigated they must not have preinvestigated	I must not have been preinvestigating you must not have been preinvestigating he must not have been preinvestigating we must not have been preinvestigating you must not have been preinvestigating they must not have been preinvestigating

Forme interrogative

Forme simple	Forme en V-ing
must I preinvestigate? must you preinvestigate? must he preinvestigate? must we preinvestigate? must you preinvestigate? must they preinvestigate?	must I be preinvestigating? must you be preinvestigating? must he be preinvestigating? must we be preinvestigating? must you be preinvestigating? must they be preinvestigating?
Perfect	Perfect en V-ing
must I have preinvestigated? must you have preinvestigated? must he have preinvestigated? must we have preinvestigated? must you have preinvestigated? must they have preinvestigated?	must I have been preinvestigating? must you have been preinvestigating? must he have been preinvestigating? must we have been preinvestigating? must you have been preinvestigating? must they have been preinvestigating?

Forme interro-négative

Forme simple	Forme en V-ing
must I not preinvestigate? must you not preinvestigate? must he not preinvestigate? must we not preinvestigate? must you not preinvestigate? must they not preinvestigate?	must I not be preinvestigating? must you not be preinvestigating? must he not be preinvestigating? must we not be preinvestigating? must you not be preinvestigating? must they not be preinvestigating?
Perfect	Perfect en V-ing
must I not have preinvestigated? must you not have preinvestigated? must he not have preinvestigated? must we not have preinvestigated? must you not have preinvestigated? must they not have preinvestigated?	must I not have been preinvestigating? must you not have been preinvestigating? must he not have been preinvestigating? must we not have been preinvestigating? must you not have been preinvestigating? must they not have been preinvestigating?