| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb mod] be [verb] on | 13 |
|
| 2 | what [modal v] be going on | 11 |
|
| 3 | what [modal v] be [v-ing] on | 11 |
|
| 4 | what [modal v] be go on | 11 |
|
| 5 | what might be [verb] on | 5 |
|
| 6 | what might be [verb] on | 5 |
|
