| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun sg] [Wh det] happened to | 6 |
|
| 2 | [noun sg] [prep] [Wh det] happened to | 26 |
|
| 3 | [noun sg] [prep] [Wh det] happened to | 26 |
|
| 4 | [noun sg] of [Wh det] happened to | 11 |
|
| 5 | [noun sg] of [Wh det] happened to | 11 |
|
| 6 | [noun sg] on [Wh det] happened to | 6 |
|
| 7 | [noun sg] on [Wh det] happened to | 6 |
|
