| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun sg] [prep] a | 4385 |
|
| 2 | an [noun sg] [prep] [det] | 3226 |
|
| 3 | [noun sg] [prep] a [det] | 2037 |
|
| 4 | an [noun sg] a [det] | 14 |
|
