| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [is] really happen | 8 |
|
| 2 | [prep] [Wh det] [is] really happen | 8 |
|
| 3 | [Wh det] [is] really happen [prep] | 8 |
|
| 4 | [Wh det] [is] really happen [prep] | 8 |
|
| 5 | [Wh det] [is] really happen in | 5 |
|
| 6 | [Wh det] [is] really happen in | 5 |
|
