| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] who happened to be | 6 |
|
| 2 | a [noun] who happened to be | 6 |
|
| 3 | a [noun sg] [pron] happened to be | 6 |
|
| 4 | a [noun] [Wh pn] happened to be | 6 |
|
