| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] so [adj] | 2158 |
|
| 2 | but [not/n't] [adj] | 782 |
|
| 3 | but [not/n't] so | 209 |
|
| 4 | but so [adj] | 67 |
|
