| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [unc] | 923 |
|
| 2 | [noun] [prep] 15 [unc] | 129 |
|
| 3 | [noun] [prep] a 15 | 26 |
|
| 4 | [prep] a 15 [unc] | 20 |
|
