| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [verb] this [noun] | 479 |
|
| 2 | [Wh det] happen [adj] [noun] | 125 |
|
| 3 | [Wh det] happen [det] [noun] | 49 |
|
| 4 | [pron] happen this [noun] | 29 |
|
| 5 | [Wh det] happen this [noun] | 20 |
|
