1.

用在疑问句末,表示疑问 [used in asking questions for purposes of emphasis]。如:你怎么知道呢?

2.

用在反问句末,加强反问 [used at the end of an interrogative sentence]。如:这件事谁不知道呢?

3.

用在陈述句末,表示对事实的确认或强调 [used at the end of a declarative sentence to conform a fact]。如:他们都要求比赛呢

4.

用在陈述句末,表示动作或情况正在继续 [used at the end of a declarative sentence,indicating the notion that an action or situation is in progress]。如:他学习呢

5.

用在句中表示停顿 [used to indicate a pause]。如:现在呢,跟过去大不同了

呢 ²  [ní]