I'll be enclosing you'll be enclosing he'll be enclosing we'll be enclosing you'll be enclosing they'll be enclosing
Future perfect
I'll have enclosed you'll have enclosed he'll have enclosed we'll have enclosed you'll have enclosed they'll have enclosed
Future perfect continuous
I'll have been enclosing you'll have been enclosing he'll have been enclosing we'll have been enclosing you'll have been enclosing they'll have been enclosing
I'd be enclosing you'd be enclosing he'd be enclosing we'd be enclosing you'd be enclosing they'd be enclosing
Past
I'd have enclosed you'd have enclosed he'd have enclosed we'd have enclosed you'd have enclosed they'd have enclosed
Past continuous
I'd have been enclosing you'd have been enclosing he'd have been enclosing we'd have been enclosing you'd have been enclosing they'd have been enclosing