Words used to express tone, mood, or to indicate a pause in a sentence; also called [[语气助词|語氣助詞|yu3 qi4 zhu4 ci2]]

A word used at the end of a sentence or during a pause to express an attitude or mood, such as a statement, question, command, or exclamation. Examples include [[啊|啊|a5]], [[呢|呢|ne5]], [[吗|嗎|ma5]], and [[吧|吧|ba5]].

A word used to show whether an action is ongoing, completed, or has been experienced in the past, such as [[着|著|zhe5]], [[了|了|le5]], or [[过|過|guo4]].

A type of grammar word that connects parts of a sentence, such as [[的|的|de5]], [[地|地|de5]], [[得|得|de5]], and [[所|所|suo3]]