| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [pron] | 19741 |
|
| 2 | but [adv] [pron] | 9250 |
|
| 3 | but [vb past] [adv] | 2691 |
|
| 4 | but [vb past] [pron] | 1648 |
|
