| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] what happen to | 20 |
|
| 2 | [noun sg] [Wh det] happens to | 20 |
|
| 3 | [noun sg] [Wh det] happened to | 15 |
|
| 4 | [noun sg] which happen to | 12 |
|
