| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] what [be] going on | 7 |
|
| 2 | [v-ing] [adv] what be [v-ing] on | 7 |
|
| 3 | [v-ing] [adv] what [is] [v-ing] on | 6 |
|
| 4 | [v-ing] out what [be] [v-ing] on | 5 |
|
| 5 | [v-ing] [adv prt] what [be] [v-ing] on | 5 |
|
| 6 | [v-ing] out what [be] [v-ing] on | 5 |
|
