| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] what was going on | 5 |
|
| 2 | [v-ing] [verb] what was going on | 5 |
|
| 3 | [v-ing] what was going on [prep] | 7 |
|
| 4 | [v-ing] what was going on [prep] | 7 |
|
