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