IV. The negative form of the ‘shì是 ... de的’ construction
The
negative form uses bù不, which is placed before shì是.
1. Wǒ bú shì zài Měiguó xué de Yīngwén, wǒ shì zài Yīngguó xué de.
我不是在美国学的英文,我是在英国学的。
It was not in
2. Zhèi jiàn shìqíng bú shì tā
gàosù wǒ de.
这件事情不是他告诉我的。
It was not he who told me about it.