I'll be tinkering you'll be tinkering he'll be tinkering we'll be tinkering you'll be tinkering they'll be tinkering
Future perfect
I'll have tinkered you'll have tinkered he'll have tinkered we'll have tinkered you'll have tinkered they'll have tinkered
Future perfect continuous
I'll have been tinkering you'll have been tinkering he'll have been tinkering we'll have been tinkering you'll have been tinkering they'll have been tinkering
I'd be tinkering you'd be tinkering he'd be tinkering we'd be tinkering you'd be tinkering they'd be tinkering
Past
I'd have tinkered you'd have tinkered he'd have tinkered we'd have tinkered you'd have tinkered they'd have tinkered
Past continuous
I'd have been tinkering you'd have been tinkering he'd have been tinkering we'd have been tinkering you'd have been tinkering they'd have been tinkering