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Preterite continuous
I was contain containing you were contain containing he was contain containing we were contain containing you were contain containing they were contain containing
I've been contain containing you've been contain containing he's been contain containing we've been contain containing you've been contain containing they've been contain containing
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Future perfect
I'll have contain contained you'll have contain contained he'll have contain contained we'll have contain contained you'll have contain contained they'll have contain contained
Future perfect continuous
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Past
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Past continuous
I'd have been contain containing you'd have been contain containing he'd have been contain containing we'd have been contain containing you'd have been contain containing they'd have been contain containing