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