| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] happen [prep] | 121 |
|
| 2 | [Wh pn] happen to | 118 |
|
| 3 | [Wh pn] happen to | 118 |
|
| 4 | who happen [prep] | 114 |
|
| 5 | [Wh pn] happened [prep] | 61 |
|
| 6 | [Wh pn] happens [prep] | 34 |
|
| 7 | [Wh pn] happen [prep] | 26 |
|
| 8 | whoever happen [prep] | 5 |
|
