| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a [num] | 1937 |
|
| 2 | [verb] on [prep] a | 1363 |
|
| 3 | [verb] on [prep] [num] | 445 |
|
| 4 | on [prep] a [num] | 21 |
|
