| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [Wh det] [adv] happened to | 5 |
|
| 2 | [Wh det] [adv] happened to [pron] | 10 |
|
| 3 | [Wh det] [adv] happened to [pers pn] | 8 |
|
| 4 | [Wh det] [adv] happened to be | 6 |
|
| 5 | [Wh det] [adv] happened to [be] | 6 |
|
| 6 | [Wh det] [adv] happened to be | 6 |
|
| 7 | [Wh det] [adv] happened to [be] | 6 |
|
| 8 | [Wh det] [adv] happened to [noun] | 5 |
|
