| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] far as we can tell | 16 |
|
| 2 | [adv] far as we can tell | 16 |
|
| 3 | as far as we can tell | 9 |
|
| 4 | so far as we can tell | 7 |
|
