| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] [v-ing] on [adj] | 107 |
|
| 2 | it [was/were] [verb] on [adj] | 71 |
|
| 3 | it [was/were] [v-ing] [prep] [adj] | 57 |
|
| 4 | it [be] [v-ing] on [adj] | 17 |
|
