核心问题
I feel it is your husband who ____ for the spoiled child.
A. is to blame B. is going to blame C. is to be blamed D. should blame(上海高考,02-24)答案为 A。但我认为 who is to blame 是错误的，因为主语 who 与 blame 是被动关系（受责备），应改为 who is to be blamed。要知道，blame 是个及物动词呀！She blamed him for the failure. 她为失败而责怪他。
词典解答
要记住:在 be to blame 结构中,主动形式的 blame 具有被动意义,见 passives , read。
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The children were not to blame for the accident. 这次事故不能怪孩子们。
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She was in no way to blame. 她决不应当受责备。
[试题句意]我认为是你的丈夫把孩子们惯坏了。