| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so far as is know | 9 |
|
| 2 | so [adv] as is know | 9 |
|
| 3 | so [adv] as is known | 9 |
|
| 4 | so [adv] as is know | 9 |
|
| 5 | so far as is know | 9 |
|
