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英语语法问题Fourth,controloverprogrammingisbeingpassedfromthenetworkstolocalcableoperatorsandsatelliteprogrammers中being与passed

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英语语法问题
Fourth,control over programming is being passed from the networks to local cable operators and satellite programmers中 being与 passed
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答案和解析
is being 构成现在进行时态
passed 是pass的过去分词,过去分词是构成被动语态不可缺少的形式.
is being passed 就表示该句子是现在进行时的被动语态.