| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which we [adv] | 93 |
|
| 2 | [prep] which we know | 31 |
|
| 3 | [prep] we know [adv] | 25 |
|
| 4 | which we know [adv] | 15 |
|
