modal particles的用法和樣例：
例句
- Modal particles in the end of the sentence may help expressing different moods with different prosodic features.
句末語(yǔ)氣詞可以以不同的韻律特征幫助表達不同的語(yǔ)氣，具有表達語(yǔ)氣的作用。 - The exclamatory modal verbs have hierarchy owing to the differences of things or nature of things.
感嘆語(yǔ)氣詞則由于所感嘆事物或事件的性質(zhì)不同而具有層級性。
