| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [vb past] [prep] | 2576 |
|
| 2 | in which [pron] [vb past] | 1889 |
|
| 3 | in [pron] [vb past] [prep] | 156 |
|
| 4 | in which [pron] [prep] | 23 |
|
