| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] what happened to | 25 |
|
| 2 | [noun sg] [prep] what happened to | 25 |
|
| 3 | [noun sg] of what happened to | 11 |
|
| 4 | [noun sg] of what happened to | 11 |
|
| 5 | [noun sg] on what happened to | 6 |
|
| 6 | [noun sg] on what happened to | 6 |
|
