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研究轮机英语语料库中情态动词过去时的情态,并与美国英语语料库进行对比分析,卡方检验结果表明,情态动词过去时的情态意义的使用频率在两个语料库中的分布具有显著性差异,并呈现出一些特征。
The modalities of modal verbs past in the engine English corpus were studied and compared with the American English corpus. The results of the chi-square test showed that the frequency of modal meanings of past modal verbs was significantly different between the two corpora, Showing some characteristics.