| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] [noun sg] | 3270 |
|
| 2 | [prep] a [unc] [noun sg] | 575 |
|
| 3 | [prep] a [num] [unc] | 558 |
|
| 4 | [prep] [num] [unc] [noun sg] | 266 |
|
| 5 | a [num] [unc] [noun sg] | 70 |
|
