| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so what happened to [art] | 5 |
|
| 2 | so [Wh det] happened to [art] | 5 |
|
| 3 | so [pron] happened to the | 5 |
|
| 4 | so [pron] happened to [art] | 5 |
|
| 5 | so what happened to [art] | 5 |
|
| 6 | so [pron] happened to [art] | 5 |
|
