| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] | 490659 |
|
| 2 | [prep] [noun] [pron] | 83718 |
|
| 3 | a [noun] [pron] | 46861 |
|
| 4 | [prep] a [pron] | 271 |
|
