I'll be declining you'll be declining he'll be declining we'll be declining you'll be declining they'll be declining
Future perfect
I'll have declined you'll have declined he'll have declined we'll have declined you'll have declined they'll have declined
Future perfect continuous
I'll have been declining you'll have been declining he'll have been declining we'll have been declining you'll have been declining they'll have been declining
I'd be declining you'd be declining he'd be declining we'd be declining you'd be declining they'd be declining
Past
I'd have declined you'd have declined he'd have declined we'd have declined you'd have declined they'd have declined
Past continuous
I'd have been declining you'd have been declining he'd have been declining we'd have been declining you'd have been declining they'd have been declining