| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [was/were] [verb] on [adj] | 322 |
|
| 2 | [noun pl] [was/were] [v-ing] [prep] [adj] | 257 |
|
| 3 | [noun] [was/were] [v-ing] on [adj] | 77 |
|
| 4 | [noun pl] [be] [v-ing] on [adj] | 65 |
|
