| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [was/were] [verb] [prep] [pron] | 250 |
|
| 2 | [was/were] [verb] [prep] [pron] by | 219 |
|
| 3 | which [was/were] [verb] [prep] by | 21 |
|
