| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh pn] [verb] [prep] [be] | 417 |
|
| 2 | [noun] [pron] happen [prep] [be] | 111 |
|
| 3 | [noun] [Wh pn] happen [prep] [be] | 52 |
|
| 4 | [noun] [Wh pn] happen [prep] [be] | 52 |
|
