| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] a | 232867 |
|
| 2 | [noun sg] [prep] [det] | 182753 |
|
| 3 | [prep] [det] a | 8539 |
|
| 4 | [noun sg] [det] a | 281 |
|
