| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] so far [subord] [noun sg] | 18 |
|
| 2 | [adv] so far as [noun sg] | 17 |
|
| 3 | [adv] so far as [noun sg] | 17 |
|
| 4 | least so far [conj] [noun sg] | 10 |
|
