| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [modal v] [verb] | 4324 |
|
| 2 | by which [pron] [verb] | 356 |
|
| 3 | by which [pron] [modal v] | 134 |
|
| 4 | by [pron] [modal v] [verb] | 37 |
|
