| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | wonder what happened to [noun] | 5 |
|
| 2 | wonder [Wh det] happened to [noun] | 5 |
|
| 3 | wonder [pron] happened to [noun] | 5 |
|
| 4 | wonder what happened to [noun] | 5 |
|
