I'll be ski skiing you'll be ski skiing he'll be ski skiing we'll be ski skiing you'll be ski skiing they'll be ski skiing
Future perfect
I'll have ski skied you'll have ski skied he'll have ski skied we'll have ski skied you'll have ski skied they'll have ski skied
Future perfect continuous
I'll have been ski skiing you'll have been ski skiing he'll have been ski skiing we'll have been ski skiing you'll have been ski skiing they'll have been ski skiing
I'd be ski skiing you'd be ski skiing he'd be ski skiing we'd be ski skiing you'd be ski skiing they'd be ski skiing
Past
I'd have ski skied you'd have ski skied he'd have ski skied we'd have ski skied you'd have ski skied they'd have ski skied
Past continuous
I'd have been ski skiing you'd have been ski skiing he'd have been ski skiing we'd have been ski skiing you'd have been ski skiing they'd have been ski skiing