I'll be tightening you'll be tightening she'll be tightening we'll be tightening you'll be tightening they'll be tightening
Future perfect
I'll have tightened you'll have tightened she'll have tightened we'll have tightened you'll have tightened they'll have tightened
Future perfect continuous
I'll have been tightening you'll have been tightening she'll have been tightening we'll have been tightening you'll have been tightening they'll have been tightening
I'd be tightening you'd be tightening she'd be tightening we'd be tightening you'd be tightening they'd be tightening
Past
I'd have tightened you'd have tightened she'd have tightened we'd have tightened you'd have tightened they'd have tightened
Past continuous
I'd have been tightening you'd have been tightening she'd have been tightening we'd have been tightening you'd have been tightening they'd have been tightening