| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [coord] [pron] happen [prep] | 7 |
|
| 2 | [verb] [coord] [Wh det] happen [prep] | 5 |
|
| 3 | [verb] [coord] what happen [prep] | 5 |
|
| 4 | [verb] [coord] what happen [prep] | 5 |
|
