| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] on [det] | 357 |
|
| 2 | [prep] [be] [v-ing] [det] | 346 |
|
| 3 | [prep] [v-ing] on [det] | 222 |
|
| 4 | [prep] [be] [v-ing] on | 159 |
|
| 5 | [prep] [be] on [det] | 33 |
|
