I'll be lengthening you'll be lengthening she'll be lengthening we'll be lengthening you'll be lengthening they'll be lengthening
Futuro anteriore
I'll have lengthened you'll have lengthened she'll have lengthened we'll have lengthened you'll have lengthened they'll have lengthened
Futuro anteriore contínuo
I'll have been lengthening you'll have been lengthening she'll have been lengthening we'll have been lengthening you'll have been lengthening they'll have been lengthening
I'd be lengthening you'd be lengthening she'd be lengthening we'd be lengthening you'd be lengthening they'd be lengthening
Passato
I'd have lengthened you'd have lengthened she'd have lengthened we'd have lengthened you'd have lengthened they'd have lengthened
Passato continuo
I'd have been lengthening you'd have been lengthening she'd have been lengthening we'd have been lengthening you'd have been lengthening they'd have been lengthening