| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] about [pron] happened [prep] | 6 |
|
| 2 | [adj] about what happened [prep] | 6 |
|
| 3 | [adj] about [Wh det] happened [prep] | 6 |
|
| 4 | [adj] about what happened [prep] | 6 |
|
| 5 | [adj] about [pron] happened [prep] | 6 |
|
| 6 | [adj] about [pron] happened [prep] | 6 |
|
