I've been thumb-indexing you've been thumb-indexing he's been thumb-indexing we've been thumb-indexing you've been thumb-indexing they've been thumb-indexing
I'd been thumb-indexing you'd been thumb-indexing he'd been thumb-indexing we'd been thumb-indexing you'd been thumb-indexing they'd been thumb-indexing
I'll be thumb-indexing you'll be thumb-indexing he'll be thumb-indexing we'll be thumb-indexing you'll be thumb-indexing they'll be thumb-indexing
Future perfect
I'll have thumb-indexed you'll have thumb-indexed he'll have thumb-indexed we'll have thumb-indexed you'll have thumb-indexed they'll have thumb-indexed
Future perfect continuous
I'll have been thumb-indexing you'll have been thumb-indexing he'll have been thumb-indexing we'll have been thumb-indexing you'll have been thumb-indexing they'll have been thumb-indexing
I'd be thumb-indexing you'd be thumb-indexing he'd be thumb-indexing we'd be thumb-indexing you'd be thumb-indexing they'd be thumb-indexing
Past
I'd have thumb-indexed you'd have thumb-indexed he'd have thumb-indexed we'd have thumb-indexed you'd have thumb-indexed they'd have thumb-indexed
Past continuous
I'd have been thumb-indexing you'd have been thumb-indexing he'd have been thumb-indexing we'd have been thumb-indexing you'd have been thumb-indexing they'd have been thumb-indexing