I've been ventriloquising you've been ventriloquising he's been ventriloquising we've been ventriloquising you've been ventriloquising they've been ventriloquising
I'd been ventriloquising you'd been ventriloquising he'd been ventriloquising we'd been ventriloquising you'd been ventriloquising they'd been ventriloquising
I'll be ventriloquising you'll be ventriloquising he'll be ventriloquising we'll be ventriloquising you'll be ventriloquising they'll be ventriloquising
Future perfect
I'll have ventriloquised you'll have ventriloquised he'll have ventriloquised we'll have ventriloquised you'll have ventriloquised they'll have ventriloquised
Future perfect continuous
I'll have been ventriloquising you'll have been ventriloquising he'll have been ventriloquising we'll have been ventriloquising you'll have been ventriloquising they'll have been ventriloquising
I'd be ventriloquising you'd be ventriloquising he'd be ventriloquising we'd be ventriloquising you'd be ventriloquising they'd be ventriloquising
Past
I'd have ventriloquised you'd have ventriloquised he'd have ventriloquised we'd have ventriloquised you'd have ventriloquised they'd have ventriloquised
Past continuous
I'd have been ventriloquising you'd have been ventriloquising he'd have been ventriloquising we'd have been ventriloquising you'd have been ventriloquising they'd have been ventriloquising