As to dynamic modality, it can always be hypothesized in a conditional protasis, is always subject to tense distinction, and does not shift its orientation under the influence of interrogation.
受态
影响;不会因为疑问而转移方向,指向受话
。从功能上讲,机能情态不表达说话
对话语内
何态度,而本身属于话语命题内
。