| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] so far [subord] | 23 |
|
| 2 | at least so far [conj] | 23 |
|
| 3 | at [adv] so far as | 23 |
|
| 4 | at [adv] so far as | 23 |
|
