have been 现在完成时（主动语态）
have been being 现在完成进行时（被动语态）
have been还是have been being?
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相关问题
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【have been being 】or【have been being 】
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have been done；have been doing;have been n(如friends);have be
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have been look 还是 have been looking
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have been there 还是 have been to there
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have been to somewhere还是have been somewhere?
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have been=be
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请问是have been already read还是have already been read
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will,will be,had been,have been
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i have been to bejing twice.还是 i have been beijing twice
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____your mother____there?A.have;been B.have;been to C.has;be