I've been quarterbacking you've been quarterbacking she's been quarterbacking we've been quarterbacking you've been quarterbacking they've been quarterbacking
I'd been quarterbacking you'd been quarterbacking she'd been quarterbacking we'd been quarterbacking you'd been quarterbacking they'd been quarterbacking
I'll be quarterbacking you'll be quarterbacking she'll be quarterbacking we'll be quarterbacking you'll be quarterbacking they'll be quarterbacking
Future perfect
I'll have quarterbacked you'll have quarterbacked she'll have quarterbacked we'll have quarterbacked you'll have quarterbacked they'll have quarterbacked
Future perfect continuous
I'll have been quarterbacking you'll have been quarterbacking she'll have been quarterbacking we'll have been quarterbacking you'll have been quarterbacking they'll have been quarterbacking
I'd be quarterbacking you'd be quarterbacking she'd be quarterbacking we'd be quarterbacking you'd be quarterbacking they'd be quarterbacking
Past
I'd have quarterbacked you'd have quarterbacked she'd have quarterbacked we'd have quarterbacked you'd have quarterbacked they'd have quarterbacked
Past continuous
I'd have been quarterbacking you'd have been quarterbacking she'd have been quarterbacking we'd have been quarterbacking you'd have been quarterbacking they'd have been quarterbacking