| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] on [prep] | 227 |
|
| 2 | this [verb] [be] [v-ing] on | 13 |
|
| 3 | this [verb] [be] [v-ing] [prep] | 9 |
|
