| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] what be going on | 37 |
|
| 2 | [vb pp] what was [v-ing] on | 26 |
|
| 3 | known what be [v-ing] on | 10 |
|
| 4 | seen what be [v-ing] on | 6 |
|
| 5 | [vb pp] what 's [v-ing] on | 6 |
|
| 6 | [vb pp] what is [v-ing] on | 5 |
|
| 7 | told what be [v-ing] on | 5 |
|
