| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] | 407839 |
|
| 2 | [prep] [num] [noun sg] | 35402 |
|
| 3 | [prep] a [num] | 8224 |
|
| 4 | a [num] [noun sg] | 7179 |
|
