- 不对 bù duì bú duì incorrect; wrong
- 不要 bù yào bú yào to not want; do not (do something)
- 不在 bù zài bú zài to not be (in a place)
- 不是 bù shì bú shì to not be
- 不去 bù qù bú qù to not go
Examples of NO Tone Change
Remember, 不 (bù) only changes when followed by a 4th tone. Here are examples when it doesn't change.
So there is no difference between what we say and what we write (no tone change) in the table below.