| 知识点（KP） | 句酷综合英语 | 中国学生作文 |
| know | 4862.64 | 32582.78 |
| know + von. | 1109.36 | 12864.69 |
| know/bit | 7253.05 | 15637.15 |
| know/lex | 12816.62 | 39190.03 |
| 名词 know | 4.48 | 25.91 |
| know/pos | 12745.65 | 39021.61 |
| know/ske | 4957.05 | 11141.63 |
| know/v | 12745.32 | 39021.61 |
| know/vp | 20.21 | 51.82 |
| 动词 know | 1038.98 | 4171.63 |