I've been four-flushing you've been four-flushing he's been four-flushing we've been four-flushing you've been four-flushing they've been four-flushing
I'll be four-flushing you'll be four-flushing he'll be four-flushing we'll be four-flushing you'll be four-flushing they'll be four-flushing
Future perfect
I'll have four-flushed you'll have four-flushed he'll have four-flushed we'll have four-flushed you'll have four-flushed they'll have four-flushed
Future perfect continuous
I'll have been four-flushing you'll have been four-flushing he'll have been four-flushing we'll have been four-flushing you'll have been four-flushing they'll have been four-flushing
I'd be four-flushing you'd be four-flushing he'd be four-flushing we'd be four-flushing you'd be four-flushing they'd be four-flushing
Past
I'd have four-flushed you'd have four-flushed he'd have four-flushed we'd have four-flushed you'd have four-flushed they'd have four-flushed
Past continuous
I'd have been four-flushing you'd have been four-flushing he'd have been four-flushing we'd have been four-flushing you'd have been four-flushing they'd have been four-flushing