| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] about [pron] happened to | 7 |
|
| 2 | [noun] about [pron] happened to | 7 |
|
| 3 | about [pron] happened to [pron] | 17 |
|
| 4 | about [pron] happened to [pers pn] | 11 |
|
| 5 | about [pron] happened to [pos pn] | 6 |
|
