| 知识点（KP） | 句酷综合英语 | 中国学生作文 |
| amn. + not | 9.74 | 12.96 |
| von. + not | 5.46 | 12.96 |
| not | 64277.94 | 54645.80 |
| not/avp | 62648.17 | 52676.58 |
| 副词 not | 63966.22 | 54179.41 |
| not/bit | 3.42 | 0 |
| not/d | 64247.59 | 54568.07 |
| not/lex | 64278.93 | 54645.80 |
| not/n | 33.31 | 90.69 |
| 名词 not | 10.53 | 51.82 |
| not/pos | 64280.90 | 54658.76 |
| not/ske | 3.09 | 77.73 |