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    [求助]如何检索到某种句式在语料库中的出现的频率?

    请教各位老师,我现在想比较,两种相似句式在语料库出现的频率,如: the fact that后面接同位语从句, the fact that he had get married; the fact that 后面接定语从句, the fact he had talked about 不知能通过写正则表达式分别检索出来?
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