| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] [v-ing] on an [noun] | 6 |
|
| 2 | [pers pn] [was/were] [v-ing] on an [noun] | 6 |
|
| 3 | [was/were] [v-ing] on an [adj] [noun] | 16 |
|
| 4 | [was/were] [v-ing] on an [adj] [noun] | 15 |
|
