I'll be comparing you'll be comparing she'll be comparing we'll be comparing you'll be comparing they'll be comparing
Future perfect
I'll have compared you'll have compared she'll have compared we'll have compared you'll have compared they'll have compared
Future perfect continuous
I'll have been comparing you'll have been comparing she'll have been comparing we'll have been comparing you'll have been comparing they'll have been comparing
I'd be comparing you'd be comparing she'd be comparing we'd be comparing you'd be comparing they'd be comparing
Past
I'd have compared you'd have compared she'd have compared we'd have compared you'd have compared they'd have compared
Past continuous
I'd have been comparing you'd have been comparing she'd have been comparing we'd have been comparing you'd have been comparing they'd have been comparing