| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [no cls] | 2228 |
|
| 2 | [prep] 30 [no cls] | 343 |
|
| 3 | [prep] a 30 | 76 |
|
| 4 | a 30 [no cls] | 76 |
|
