| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by [v-ing] [pron] on a | 9 |
|
| 2 | by [verb] [pers pn] on a | 9 |
|
| 3 | by [verb] [pron] on a | 9 |
|
| 4 | by [verb] they on a | 5 |
|
| 5 | by [verb] them on a | 5 |
|
