| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] go on | 1116 |
|
| 2 | what [is] [v-ing] on | 1116 |
|
| 3 | what [is] going on | 1102 |
|
| 4 | what 's [verb] on | 735 |
|
| 5 | what is [verb] on | 382 |
|
| 6 | what [is] goin' on | 14 |
|
