| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun] [conj] | 22334 |
|
| 2 | [prep] a [adj] [noun] [conj] | 20206 |
|
| 3 | [prep] [art] single [noun] [conj] | 432 |
|
| 4 | [prep] a single [noun] [conj] | 358 |
|
