| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pron] [verb] | 11283 |
|
| 2 | by [pron] [pron] [verb] | 1004 |
|
| 3 | by [Wh det] [pron] [verb] | 742 |
|
| 4 | by which [pron] [verb] | 356 |
|
