| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] [was/were] going on | 277 |
|
| 2 | [vb past] [Wh det] [was/were] going on | 71 |
|
| 3 | [vb past] [verb] [Wh det] [was/were] going | 21 |
|
