| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] far as possible | 18 |
|
| 2 | [modal v] so far as possible | 14 |
|
| 3 | should so far as [adj] | 8 |
|
| 4 | should so far [conj] possible | 8 |
|
| 5 | should so [adv] as possible | 8 |
|
