| 序号 | 连接词 | NSC的频率 | 连接词 | CSC的频率 |
| 1 | and | 4219 | and | 3563 |
| 2 | but | 509 | also | 277 |
| 3 | so | 198 | but | 246 |
| 4 | also | 283 | so | 235 |
| 5 | for instance | 158 | first | 107 |
| 6 | because | 134 | because | 91 |
| 7 | first | 105 | therefore | 81 |
| 8 | though | 82 | besides | 57 |
| 9 | then | 73 | then | 48 |
| 10 | however | 67 | thus | 45 |
| 11 | therefore | 48 | however | 40 |
| 12 | thus | 45 | next | 24 |
| 13 | for example | 29 | on the other hand | 21 |
| 14 | on the other hand | 18 | though | 20 |
| 15 | next | 18 | for instance | 19 |
| 16 | in addition | 12 | in addition | 18 |
| 17 | hence | 9 | for example | 15 |
| 18 | consequently | 8 | hence | 8 |
| 19 | previously | 7 | soon | 3 |
| 20 | furthermore | 6 | to sum up | 3 |
| 21 | soon | 2 | previously | 3 |
| 22 | to sum up | 2 | furthermore | 2 |
| 23 | besides | 0 | consequently | 1 |
| 24 | nevertheless | 0 | nevertheless | 0 |
| 25 | likewise | 0 | likewise | 0 |
|
| 累计 | 6032 | 累计 | 4927 |
|
| 占比 | 4.90% | 占比 | 5.10% |