I'll be slippering you'll be slippering he'll be slippering we'll be slippering you'll be slippering they'll be slippering
Futur antérieur
I'll have slippered you'll have slippered he'll have slippered we'll have slippered you'll have slippered they'll have slippered
Futur antérieur continu
I'll have been slippering you'll have been slippering he'll have been slippering we'll have been slippering you'll have been slippering they'll have been slippering
I'd be slippering you'd be slippering he'd be slippering we'd be slippering you'd be slippering they'd be slippering
Passé
I'd have slippered you'd have slippered he'd have slippered we'd have slippered you'd have slippered they'd have slippered
Passé continu
I'd have been slippering you'd have been slippering he'd have been slippering we'd have been slippering you'd have been slippering they'd have been slippering