| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [be] [verb] to | 389 |
|
| 2 | [prep] [Wh det] [be] happen [prep] | 315 |
|
| 3 | [prep] [Wh det] [be] happen [prep] | 315 |
|
| 4 | [prep] [Wh det] [be] happen to | 90 |
|
| 5 | [prep] [Wh det] [be] happen to | 90 |
|
| 6 | [prep] [pron] [be] happen to | 90 |
|
