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