| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in which they [vb past] | 356 |
|
| 2 | which they [adv] [vb past] | 132 |
|
| 3 | in which they [adv] | 35 |
|
| 4 | in which [adv] [vb past] | 9 |
|
