| 知识点（KP） | 南京大学202x | 美国英语新闻 |
| after | 14806.25 | 22239.42 |
| after + amn. | 67.41 | 20.54 |
| after/a | 97.74 | 65.97 |
| after/ajp | 64.04 | 38.92 |
| 形容词 after | 80.89 | 56.99 |
| after/avp | 195.48 | 107.72 |
| 副词 after | 205.60 | 126.37 |
| after/c | 2578.37 | 4834.85 |
| after | 3.37 | 0 |
| after/d | 222.45 | 147.41 |
| after/lex | 14806.25 | 22239.42 |
| after/p | 11958.25 | 17257.40 |
| after/pos | 14856.81 | 22305.62 |
| after/pp | 279.74 | 147.45 |
| 介词 after | 5544.34 | 5832.22 |
| after/ske | 104.48 | 6.61 |