I've been restrengthening you've been restrengthening he's been restrengthening we've been restrengthening you've been restrengthening they've been restrengthening
I'd been restrengthening you'd been restrengthening he'd been restrengthening we'd been restrengthening you'd been restrengthening they'd been restrengthening
I'll be restrengthening you'll be restrengthening he'll be restrengthening we'll be restrengthening you'll be restrengthening they'll be restrengthening
Future perfect
I'll have restrengthened you'll have restrengthened he'll have restrengthened we'll have restrengthened you'll have restrengthened they'll have restrengthened
Future perfect continuous
I'll have been restrengthening you'll have been restrengthening he'll have been restrengthening we'll have been restrengthening you'll have been restrengthening they'll have been restrengthening
I'd be restrengthening you'd be restrengthening he'd be restrengthening we'd be restrengthening you'd be restrengthening they'd be restrengthening
Past
I'd have restrengthened you'd have restrengthened he'd have restrengthened we'd have restrengthened you'd have restrengthened they'd have restrengthened
Past continuous
I'd have been restrengthening you'd have been restrengthening he'd have been restrengthening we'd have been restrengthening you'd have been restrengthening they'd have been restrengthening