| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] about what have happened to | 6 |
|
| 2 | [adj] about what have happened to | 5 |
|
| 3 | [adj] about what have happened to | 5 |
|
| 4 | about what have happened to [pron] | 10 |
|
| 5 | about what have happened to [pers pn] | 8 |
|
