是非问句有必要也有可能作下位层次的功能分类。
It is necessary and possible to classify the function of yes-no questions into subtypes.
第二部分主要是俄汉语是非问句的句法结构对比研究。
Contrastive study of syntax structure of yes-no questions in Russian and Chinese is made in part two.
但同特指问句和是非问句相比，选择问表否定意义的使用频率要低一些。
Compared to WH-questions and yes-no questions, the frequency of negative uses of alternative questions is lower.
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