| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [unc] [no cls] | 3480 |
|
| 2 | [prep] an [no cls] | 422 |
|
| 3 | [prep] an [unc] | 422 |
|
| 4 | an [unc] [no cls] | 416 |
|
