cows

class of words

abbv: tbu
Chinese: "不"字变调规则
full name: "bu" tone change
alt name:
remark: When followed by a 4th tone, 不 (bù) changes to 2nd tone (bú). Tone written form is not changed, as always.
example:
Examples of the 4→2 Tone Change if it is followed by another tone 4 character
  • 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.
  • 不好 bù hǎo bù hǎo not good, no good
  • 不想 bù xiǎng bù xiǎng to not think; to not miss
  • 不忙 bù máng bù máng not busy
  • 不能 bù néng bù néng cannot
  • 不一样 bù yīyàng bù yīyàng not the same, different
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