________ can be used to show an uncertain tone of the speaker.
举一反三
- Can falling tone be used in ordinary statements?
- Can falling tone be used in Yes–no questions？
- The falling tone tends to indicate a sense of definiteness, the rising tone tends to indicate incompleteness and the falling-rising tone is used to show contrast, implication, contradiction, etc. ( )
- Can rising tone be used in imperative sentences or strong commands？
- Can rising tone be used in WH questions (special questions)？