"要不是"的情态生成与立场表达OACHSSCD

Based on Semantic Grammar Theory and employing a syntax-semantics mutual verification framework,the semantic features,syntactic distribution,modal generation,and stance expression functions of "yaobushi" were systematically examined.It was focused on its typical structure of"yaobushi P,(jiu)Q"and the characteristics of "yaobushi" in expressing epistemic and deontic modality were investigated.It was revealed how "yaobushi" conveys different stances such as regret,relief,and blame through modal strength and event controllability,thereby demonstrating the inherent connection from its form to its function.