| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] happened to be | 18 |
|
| 2 | [Wh det] happened to [be] | 18 |
|
| 3 | [Wh det] happened to [be] | 18 |
|
| 4 | [Wh det] happened to be | 18 |
|
| 5 | which happened to [be] | 17 |
|
