| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] what [was/were] going on | 77 |
|
| 2 | [adv] [vb infin] what [was/were] going | 67 |
|
| 3 | [adv] what [was/were] going on | 51 |
|
