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Future perfect
I'll have conceptualised you'll have conceptualised he'll have conceptualised we'll have conceptualised you'll have conceptualised they'll have conceptualised
Future perfect continuous
I'll have been conceptualising you'll have been conceptualising he'll have been conceptualising we'll have been conceptualising you'll have been conceptualising they'll have been conceptualising
I'd be conceptualising you'd be conceptualising he'd be conceptualising we'd be conceptualising you'd be conceptualising they'd be conceptualising
Past
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Past continuous
I'd have been conceptualising you'd have been conceptualising he'd have been conceptualising we'd have been conceptualising you'd have been conceptualising they'd have been conceptualising