| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] on [det] | 357 |
|
| 2 | be [v-ing] on [det] | 357 |
|
| 3 | were [v-ing] [prep] [det] | 350 |
|
| 4 | were [verb] on [det] | 120 |
|
| 5 | [was/were] [v-ing] on [det] | 87 |
|
| 6 | were [v-ing] on [adj] | 72 |
|
