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I'd been platitudinising you'd been platitudinising he'd been platitudinising we'd been platitudinising you'd been platitudinising they'd been platitudinising
I'll be platitudinising you'll be platitudinising he'll be platitudinising we'll be platitudinising you'll be platitudinising they'll be platitudinising
Future perfect
I'll have platitudinised you'll have platitudinised he'll have platitudinised we'll have platitudinised you'll have platitudinised they'll have platitudinised
Future perfect continuous
I'll have been platitudinising you'll have been platitudinising he'll have been platitudinising we'll have been platitudinising you'll have been platitudinising they'll have been platitudinising
I'd be platitudinising you'd be platitudinising he'd be platitudinising we'd be platitudinising you'd be platitudinising they'd be platitudinising
Past
I'd have platitudinised you'd have platitudinised he'd have platitudinised we'd have platitudinised you'd have platitudinised they'd have platitudinised
Past continuous
I'd have been platitudinising you'd have been platitudinising he'd have been platitudinising we'd have been platitudinising you'd have been platitudinising they'd have been platitudinising