I'll be ruminating you'll be ruminating he'll be ruminating we'll be ruminating you'll be ruminating they'll be ruminating
Future perfect
I'll have ruminated you'll have ruminated he'll have ruminated we'll have ruminated you'll have ruminated they'll have ruminated
Future perfect continuous
I'll have been ruminating you'll have been ruminating he'll have been ruminating we'll have been ruminating you'll have been ruminating they'll have been ruminating
I'd be ruminating you'd be ruminating he'd be ruminating we'd be ruminating you'd be ruminating they'd be ruminating
Past
I'd have ruminated you'd have ruminated he'd have ruminated we'd have ruminated you'd have ruminated they'd have ruminated
Past continuous
I'd have been ruminating you'd have been ruminating he'd have been ruminating we'd have been ruminating you'd have been ruminating they'd have been ruminating