| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [not/n't] [adv] | 2565 |
|
| 2 | but [adv] so | 595 |
|
| 3 | [conj] [not/n't] so | 380 |
|
| 4 | [coord] [not/n't] so | 322 |
|
| 5 | but [not/n't] so | 209 |
|
