| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] least so far [conj] | 23 |
|
| 2 | [prep] least [prep] so far | 14 |
|
| 3 | least [prep] so far [conj] | 14 |
|
| 4 | [prep] [prep] so far [conj] | 7 |
|
