| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [prep] [Wh det] happen to | 12 |
|
| 2 | [noun pl] [prep] what happen to | 12 |
|
| 3 | [noun pl] of [Wh det] happen to | 8 |
|
| 4 | [noun pl] [prep] [Wh det] happened to | 7 |
|
| 5 | [noun pl] [prep] [Wh det] happens to | 5 |
|
