I'll be engineering you'll be engineering she'll be engineering we'll be engineering you'll be engineering they'll be engineering
Future perfect
I'll have engineered you'll have engineered she'll have engineered we'll have engineered you'll have engineered they'll have engineered
Future perfect continuous
I'll have been engineering you'll have been engineering she'll have been engineering we'll have been engineering you'll have been engineering they'll have been engineering
I'd be engineering you'd be engineering she'd be engineering we'd be engineering you'd be engineering they'd be engineering
Past
I'd have engineered you'd have engineered she'd have engineered we'd have engineered you'd have engineered they'd have engineered
Past continuous
I'd have been engineering you'd have been engineering she'd have been engineering we'd have been engineering you'd have been engineering they'd have been engineering