The tone change about (bu)

“ bú ” de biàn diào

“不”的变调

1. “bu” the original tone is forth tone, but if before the forth tone, it should be pronounced as second tone. Eg:

“ bú ” yuán lái de shēng diào dú sì shēng , dàn zài sì shēng qián dú èr shēng 。 rú :

“不”原来的声调读四声,但在四声前读二声。如:

不去—búqù

不会—búhuì

2. If in the middle of the words, it should be pronounced as nature tone. Eg:

rú guǒ jiá zài cí yǔ zhōng jiān , jiù dú qīng shēng 。 rú :

如果夹在词语中间,就读轻声。如:

了不起—liǎobuqǐ

差不多—chàbuduō

好不好—hǎobuhǎo

试试以下的练习:

不伦不类   不去   买不买 打不开 不怕 看不清楚   会不会