| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [adv] a | 1453 |
|
| 2 | but [adv] a | 1322 |
|
| 3 | but [vb base] [adv] | 638 |
|
| 4 | but [vb base] a | 274 |
|
