I'll be refitting you'll be refitting he'll be refitting we'll be refitting you'll be refitting they'll be refitting
Future perfect
I'll have refit you'll have refit he'll have refit we'll have refit you'll have refit they'll have refit
Future perfect continuous
I'll have been refitting you'll have been refitting he'll have been refitting we'll have been refitting you'll have been refitting they'll have been refitting
I'd be refitting you'd be refitting he'd be refitting we'd be refitting you'd be refitting they'd be refitting
Past
I'd have refit you'd have refit he'd have refit we'd have refit you'd have refit they'd have refit
Past continuous
I'd have been refitting you'd have been refitting he'd have been refitting we'd have been refitting you'd have been refitting they'd have been refitting