| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [noun] on [noun prp] | 239 |
|
| 2 | [was/were] [v-ing] [noun] [noun prp] | 212 |
|
| 3 | [was/were] [v-ing] [noun] on | 171 |
|
| 4 | [was/were] [v-ing] on [noun prp] | 78 |
|
| 5 | [was/were] [noun] on [noun prp] | 28 |
|
