| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [unc] | 7360 |
|
| 2 | [n mass] [prep] a [noun] | 2825 |
|
| 3 | [n mass] [prep] [noun] [unc] | 727 |
|
| 4 | [n mass] [prep] a [unc] | 24 |
|
| 5 | [n mass] a [noun] [unc] | 6 |
|
