| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] in [det] [noun] | 297 |
|
| 2 | [Wh det] happened in [noun] | 77 |
|
| 3 | [Wh det] happened [det] [noun] | 43 |
|
| 4 | happened in [det] [noun] | 23 |
|
| 5 | [Wh det] happened in [det] | 14 |
|
