| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [v-ing] on [prep] the | 58 |
|
| 2 | 's going on [prep] [art] | 55 |
|
| 3 | 's [v-ing] on in [art] | 29 |
|
| 4 | 's [v-ing] on at [art] | 15 |
|
