| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [verb] [prep] | 5786 |
|
| 2 | [pron] happen [prep] | 3504 |
|
| 3 | [Wh det] happen [prep] | 2328 |
|
| 4 | what happen [prep] | 2048 |
|
| 5 | what happen [prep] | 2048 |
|
