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Future perfect
I'll have proportioned you'll have proportioned he'll have proportioned we'll have proportioned you'll have proportioned they'll have proportioned
Future perfect continuous
I'll have been proportioning you'll have been proportioning he'll have been proportioning we'll have been proportioning you'll have been proportioning they'll have been proportioning
I'd be proportioning you'd be proportioning he'd be proportioning we'd be proportioning you'd be proportioning they'd be proportioning
Past
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Past continuous
I'd have been proportioning you'd have been proportioning he'd have been proportioning we'd have been proportioning you'd have been proportioning they'd have been proportioning