I've been preinvestigating you've been preinvestigating he's been preinvestigating we've been preinvestigating you've been preinvestigating they've been preinvestigating
I'd been preinvestigating you'd been preinvestigating he'd been preinvestigating we'd been preinvestigating you'd been preinvestigating they'd been preinvestigating
I'll be preinvestigating you'll be preinvestigating he'll be preinvestigating we'll be preinvestigating you'll be preinvestigating they'll be preinvestigating
Futuro anteriore
I'll have preinvestigated you'll have preinvestigated he'll have preinvestigated we'll have preinvestigated you'll have preinvestigated they'll have preinvestigated
Futuro anteriore contínuo
I'll have been preinvestigating you'll have been preinvestigating he'll have been preinvestigating we'll have been preinvestigating you'll have been preinvestigating they'll have been preinvestigating
I'd be preinvestigating you'd be preinvestigating he'd be preinvestigating we'd be preinvestigating you'd be preinvestigating they'd be preinvestigating
Passato
I'd have preinvestigated you'd have preinvestigated he'd have preinvestigated we'd have preinvestigated you'd have preinvestigated they'd have preinvestigated
Passato continuo
I'd have been preinvestigating you'd have been preinvestigating he'd have been preinvestigating we'd have been preinvestigating you'd have been preinvestigating they'd have been preinvestigating