| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on a [noun] | 24070 |
|
| 2 | [prep] a year | 1994 |
|
| 3 | [prep] a year | 1994 |
|
| 4 | on [art] year | 82 |
|
| 5 | on [art] year | 82 |
|
| 6 | on a year | 30 |
|
| 7 | on a year | 30 |
|
