I'll be harnessing you'll be harnessing he'll be harnessing we'll be harnessing you'll be harnessing they'll be harnessing
Future perfect
I'll have harnessed you'll have harnessed he'll have harnessed we'll have harnessed you'll have harnessed they'll have harnessed
Future perfect continuous
I'll have been harnessing you'll have been harnessing he'll have been harnessing we'll have been harnessing you'll have been harnessing they'll have been harnessing
I'd be harnessing you'd be harnessing he'd be harnessing we'd be harnessing you'd be harnessing they'd be harnessing
Past
I'd have harnessed you'd have harnessed he'd have harnessed we'd have harnessed you'd have harnessed they'd have harnessed
Past continuous
I'd have been harnessing you'd have been harnessing he'd have been harnessing we'd have been harnessing you'd have been harnessing they'd have been harnessing