| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] happened to be | 92 |
|
| 2 | [Wh det] happened to be | 18 |
|
| 3 | [Wh det] [noun] to be | 14 |
|
| 4 | [Wh det] [noun] happened to | 7 |
|
