I'll be clinching you'll be clinching he'll be clinching we'll be clinching you'll be clinching they'll be clinching
Future perfect
I'll have clinched you'll have clinched he'll have clinched we'll have clinched you'll have clinched they'll have clinched
Future perfect continuous
I'll have been clinching you'll have been clinching he'll have been clinching we'll have been clinching you'll have been clinching they'll have been clinching
I'd be clinching you'd be clinching he'd be clinching we'd be clinching you'd be clinching they'd be clinching
Past
I'd have clinched you'd have clinched he'd have clinched we'd have clinched you'd have clinched they'd have clinched
Past continuous
I'd have been clinching you'd have been clinching he'd have been clinching we'd have been clinching you'd have been clinching they'd have been clinching