I'll be diminishing you'll be diminishing she'll be diminishing we'll be diminishing you'll be diminishing they'll be diminishing
Future perfect
I'll have diminished you'll have diminished she'll have diminished we'll have diminished you'll have diminished they'll have diminished
Future perfect continuous
I'll have been diminishing you'll have been diminishing she'll have been diminishing we'll have been diminishing you'll have been diminishing they'll have been diminishing
I'd be diminishing you'd be diminishing she'd be diminishing we'd be diminishing you'd be diminishing they'd be diminishing
Past
I'd have diminished you'd have diminished she'd have diminished we'd have diminished you'd have diminished they'd have diminished
Past continuous
I'd have been diminishing you'd have been diminishing she'd have been diminishing we'd have been diminishing you'd have been diminishing they'd have been diminishing