| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun prp] | 3430 |
|
| 2 | on [prep] a [adj] | 841 |
|
| 3 | on [prep] a [noun prp] | 32 |
|
| 4 | on [prep] [adj] [noun prp] | 26 |
|
