【摘要】 “S+自问+X”句式具有传疑与传信两种功能表现。两种功能表现下的“S+自问+X”在“亲涉性”亲疏程度、认知侧面、所传信息特征等方面存在不同，由此它们在主语表现、成分允准表现及宾语表现上也呈现出较明显的差异。相比传疑“自问”句，传信“自问”句在表达上具有强亲涉性、强明示性、强交互主观性的特点，三者共同保障了施信主体所传信息的高确信度。传疑功能与传信功能构成一个功能连续统，历时语料显示，“S+自问+X”句式的传信功能应源自其原本的传疑功能。“S+自问+X”句式的功能之所以能够由传疑扩展到传信，与其身处反问句法环境、共识化语用需求、以因喻果的转喻认知机制等密切相关，是多种因素共同作用的结果。更多还原

【Abstract】 “S+ziwen+X” structure has two functions: doubt-conveying and belief-conveying. Under the two functional manifestations the structure exhibits differences in terms of the degree of egophoricity, the cognitive profile, and the characteristics of the conveyed information. As a result, they also show obvious differences in subject realization, component licensing, and object realization. Compared with the doubt-conveying “S+ziwen+X” structure, the belief-conveying one has characteristics of strong egophoricity, high explicitness, and strong intersubjectivity, which jointly guarantee the high reliability of the information conveyed by the speaker. The doubt-conveying function and the belief-conveying function constitute a functional continuum. Diachronic corpus data shows that the belief-conveying function of “S+ziwen+X” structure originates from its original doubt-conveying function. The functional extension from doubt-conveying to belief-conveying is closely related to its syntactic environment of rhetorical questions, the pragmatic demand for consensus-building, and the cognitive mechanism of cause-to-effect metonymy, which work jointly to bring about such extension.更多还原