| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [unc] | 2232 |
|
| 2 | [prep] 25 [unc] | 324 |
|
| 3 | a 25 [unc] | 73 |
|
| 4 | [prep] a 25 | 51 |
|
