| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [verb] on | 368 |
|
| 2 | what go on | 351 |
|
| 3 | what [vb -s] on | 218 |
|
| 4 | what goes on | 212 |
|
| 5 | what [vb past] on | 143 |
|
| 6 | what went on | 139 |
|
| 7 | what [to-vb] on | 7 |
|
