| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [is] really happening | 8 |
|
| 2 | [prep] what [is] really happening | 8 |
|
| 3 | [prep] [Wh det] [is] really happening | 8 |
|
| 4 | [prep] [pron] is really happening | 5 |
|
