| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in which [pron] [vb past] | 1889 |
|
| 2 | which [pron] [adv] [vb past] | 971 |
|
| 3 | in which [pron] [adv] | 218 |
|
| 4 | in [pron] [adv] [vb past] | 36 |
|
| 5 | in which [adv] [vb past] | 9 |
|
