| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] what was going on | 51 |
|
| 2 | [adv] what was [v-ing] on | 51 |
|
| 3 | out what was [v-ing] on | 27 |
|
| 4 | [adv prt] what was [v-ing] on | 27 |
|
| 5 | out what was [v-ing] on | 27 |
|
| 6 | [adv] what was [v-ing] on | 23 |
|
| 7 | exactly what was [v-ing] on | 12 |
|
| 8 | exactly what was [v-ing] on | 12 |
|
