| 知识点（KP） | 南京大学202x | 美国英语新闻 |
| for | 112932.64 | 130070.24 |
| for/bit | 3.37 | 8.81 |
| for/c | 4674.77 | 1464.99 |
| for/conjp | 155.04 | 43.19 |
| for | 155.04 | 43.19 |
| for/lex | 112932.64 | 130071.05 |
| for/p | 108904.98 | 128769.51 |
| for/pos | 113579.76 | 130235.17 |
| for/pp | 15335.41 | 4766.49 |
| 介词 for | 78119.58 | 74923.07 |
| for/ske | 1058.31 | 505.00 |