| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] happen [prep] [adj] [noun] | 174 |
|
| 2 | [Wh det] [verb] [prep] that [noun] | 84 |
|
| 3 | [Wh det] happen [prep] [det] [noun] | 80 |
|
| 4 | [pron] happen [prep] that [noun] | 35 |
|
| 5 | [Wh det] happen [prep] that [noun] | 27 |
|
