| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [modal v] [verb] | 4324 |
|
| 2 | through which [pron] [verb] | 157 |
|
| 3 | through which [pron] [modal v] | 74 |
|
| 4 | through [pron] [modal v] [verb] | 16 |
|
