I've been alphabetising you've been alphabetising she's been alphabetising we've been alphabetising you've been alphabetising they've been alphabetising
I'll be alphabetising you'll be alphabetising she'll be alphabetising we'll be alphabetising you'll be alphabetising they'll be alphabetising
Futuro perfecto
I'll have alphabetised you'll have alphabetised she'll have alphabetised we'll have alphabetised you'll have alphabetised they'll have alphabetised
Futuro perfecto contínuo
I'll have been alphabetising you'll have been alphabetising she'll have been alphabetising we'll have been alphabetising you'll have been alphabetising they'll have been alphabetising
I'd be alphabetising you'd be alphabetising she'd be alphabetising we'd be alphabetising you'd be alphabetising they'd be alphabetising
Passado
I'd have alphabetised you'd have alphabetised she'd have alphabetised we'd have alphabetised you'd have alphabetised they'd have alphabetised
Passado continuo
I'd have been alphabetising you'd have been alphabetising she'd have been alphabetising we'd have been alphabetising you'd have been alphabetising they'd have been alphabetising