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