| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num ord] | 4339 |
|
| 2 | a [num ord] [prep] | 1758 |
|
| 3 | [prep] [num ord] [prep] | 721 |
|
| 4 | [prep] a [prep] | 386 |
|
