| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [adj] | 52467 |
|
| 2 | [prep] an [adj] | 50829 |
|
| 3 | [prep] [art] old | 8689 |
|
| 4 | [prep] [art] old | 8689 |
|
| 5 | [prep] an old | 1858 |
|
| 6 | [prep] a old | 1641 |
|
