mood particles的用法和樣例：
例句
- The mood particle in Mandarin Chinese is a very important kind of mark in the analysis of discourse structure.
現代漢語語氣詞是現代漢語話語結構一個重要的分析因素。 - Modal particles in the end of the sentence may help expressing different moods with different prosodic features.
句末語氣詞可以以不同的韻律特徵幫助表達不同的語氣，具有表達語氣的作用。
