| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] be happen to | 90 |
|
| 2 | [prep] what [be] happen to | 89 |
|
| 3 | [prep] [Wh det] [be] happening to | 85 |
|
| 4 | [prep] [Wh det] [is] happen to | 45 |
|
| 5 | [prep] [Wh det] was happen to | 45 |
|
| 6 | [prep] [Wh det] [was/were] happen to | 45 |
|
| 7 | of [Wh det] [be] happen to | 43 |
|
| 8 | [prep] [Wh det] is happen to | 34 |
|
| 9 | about [Wh det] [be] happen to | 20 |
|
| 10 | [prep] [Wh det] 's happen to | 11 |
|
| 11 | at [Wh det] [be] happen to | 5 |
|
| 12 | [prep] [Wh det] [be] to happen to | 5 |
|
