I'll be butylating you'll be butylating he'll be butylating we'll be butylating you'll be butylating they'll be butylating
Future perfect
I'll have butylated you'll have butylated he'll have butylated we'll have butylated you'll have butylated they'll have butylated
Future perfect continuous
I'll have been butylating you'll have been butylating he'll have been butylating we'll have been butylating you'll have been butylating they'll have been butylating
I'd be butylating you'd be butylating he'd be butylating we'd be butylating you'd be butylating they'd be butylating
Past
I'd have butylated you'd have butylated he'd have butylated we'd have butylated you'd have butylated they'd have butylated
Past continuous
I'd have been butylating you'd have been butylating he'd have been butylating we'd have been butylating you'd have been butylating they'd have been butylating