| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun sg] | 251620 |
|
| 2 | on [prep] a [noun sg] | 1207 |
|
| 3 | on [prep] a [adj] | 841 |
|
| 4 | on a [adj] [noun sg] | 763 |
|
| 5 | on [prep] [adj] [noun sg] | 439 |
|
