| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] but [pron] [verb] | 5 |
|
| 2 | [Wh det] [vb past] but [pers pn] [verb] | 5 |
|
| 3 | [Wh det] happened but [pron] [verb] | 5 |
|
