I'll be gravelling you'll be gravelling he'll be gravelling we'll be gravelling you'll be gravelling they'll be gravelling
Futuro anteriore
I'll have gravelled you'll have gravelled he'll have gravelled we'll have gravelled you'll have gravelled they'll have gravelled
Futuro anteriore contínuo
I'll have been gravelling you'll have been gravelling he'll have been gravelling we'll have been gravelling you'll have been gravelling they'll have been gravelling
I'd be gravelling you'd be gravelling he'd be gravelling we'd be gravelling you'd be gravelling they'd be gravelling
Passato
I'd have gravelled you'd have gravelled he'd have gravelled we'd have gravelled you'd have gravelled they'd have gravelled
Passato continuo
I'd have been gravelling you'd have been gravelling he'd have been gravelling we'd have been gravelling you'd have been gravelling they'd have been gravelling