I'll be tightening you'll be tightening he'll be tightening we'll be tightening you'll be tightening they'll be tightening
Futuro perfecto
I'll have tightened you'll have tightened he'll have tightened we'll have tightened you'll have tightened they'll have tightened
Futuro perfecto contínuo
I'll have been tightening you'll have been tightening he'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 he'd be tightening we'd be tightening you'd be tightening they'd be tightening
Passado
I'd have tightened you'd have tightened he'd have tightened we'd have tightened you'd have tightened they'd have tightened
Passado continuo
I'd have been tightening you'd have been tightening he'd have been tightening we'd have been tightening you'd have been tightening they'd have been tightening