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