| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in which it [vb past] | 135 |
|
| 2 | which it [adv] [vb past] | 62 |
|
| 3 | in which it [adv] | 27 |
|
| 4 | in which [adv] [vb past] | 9 |
|
