ねright?, isn't it?, doesn't it?, don't you?, don't you think?, hey, say, listen, look, come on, you know, you see, I must say, I should think, will you?, please, so, ..., well, ..., you understand?, I'm not sure if ..., I have my doubts about whether ...

Common

1. Particle

   1. 1.

      right?, isn't it?, doesn't it?, don't you?, don't you think?

      at sentence end; used as a request for confirmation or agreement

2. Interjection

   1. 2.

      hey, say, listen, look, come on

3. Particle

   1. 3.

      you know, you see, I must say, I should think

      at sentence end; used to express one's thoughts or feelings

   2. 4.

      will you?, please

      at sentence end; used to make an informal request

   3. 5.

      so, ..., well, ..., you see, ..., you understand?

      at the end of a non-final clause; used to draw the listener's attention to something

   4. 6.

      I'm not sure if ..., I have my doubts about whether ...

      at sentence end after the question marker か