| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] by [prep] | 20 |
|
| 2 | [was/were] [vb pp] by at | 17 |
|
| 3 | was [vb pp] by [prep] | 12 |
|
| 4 | were [vb pp] by [prep] | 8 |
|
