don't I preinvestigate? don't you preinvestigate? doesn't he preinvestigate? don't we preinvestigate? don't you preinvestigate? don't they preinvestigate?
Présent continu
am I not preinvestigating? aren't you preinvestigating? isn't he preinvestigating? aren't we preinvestigating? aren't you preinvestigating? aren't they preinvestigating?
Prétérit
didn't I preinvestigate? didn't you preinvestigate? didn't he preinvestigate? didn't we preinvestigate? didn't you preinvestigate? didn't they preinvestigate?
Prétérit
wasn't I preinvestigating? weren't you preinvestigating? wasn't he preinvestigating? weren't we preinvestigating? weren't you preinvestigating? weren't they preinvestigating?
Present perfect
haven't I preinvestigated? haven't you preinvestigated? hasn't he preinvestigated? haven't we preinvestigated? haven't you preinvestigated? haven't they preinvestigated?
Present perfect continu
haven't I been preinvestigating? haven't you been preinvestigating? hasn't he been preinvestigating? haven't we been preinvestigating? haven't you been preinvestigating? haven't they been preinvestigating?
Pluperfect
hadn't I preinvestigated? hadn't you preinvestigated? hadn't he preinvestigated? hadn't we preinvestigated? hadn't you preinvestigated? hadn't they preinvestigated?
Pluperfect continu
hadn't I been preinvestigating? hadn't you been preinvestigating? hadn't he been preinvestigating? hadn't we been preinvestigating? hadn't you been preinvestigating? hadn't they been preinvestigating?
Futur
won't I preinvestigate? won't you preinvestigate? won't he preinvestigate? won't we preinvestigate? won't you preinvestigate? won't they preinvestigate?
Futur continu
won't I be preinvestigating? won't you be preinvestigating? won't he be preinvestigating? won't we be preinvestigating? won't you be preinvestigating? won't they be preinvestigating?
Futur antérieur
won't I have preinvestigated? won't you have preinvestigated? won't he have preinvestigated? won't we have preinvestigated? won't you have preinvestigated? won't they have preinvestigated?
Futur antérieur continu
won't I have been preinvestigating? won't you have been preinvestigating? won't he have been preinvestigating? won't we have been preinvestigating? won't you have been preinvestigating? won't they have been preinvestigating?
Conditionnel
Présent
wouldn't I preinvestigate? wouldn't you preinvestigate? wouldn't he preinvestigate? wouldn't we preinvestigate? wouldn't you preinvestigate? wouldn't they preinvestigate?
Présent continu
wouldn't I be preinvestigating? wouldn't you be preinvestigating? wouldn't he be preinvestigating? wouldn't we be preinvestigating? wouldn't you be preinvestigating? wouldn't they be preinvestigating?
Passé
wouldn't I have preinvestigated? wouldn't you have preinvestigated? wouldn't he have preinvestigated? wouldn't we have preinvestigated? wouldn't you have preinvestigated? wouldn't they have preinvestigated?
Passé continu
wouldn't I have been preinvestigating? wouldn't you have been preinvestigating? wouldn't he have been preinvestigating? wouldn't we have been preinvestigating? wouldn't you have been preinvestigating? wouldn't they have been preinvestigating?