| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [num] year [noun] | 103 |
|
| 2 | over [art] [num] [num] [noun] | 17 |
|
| 3 | [art] [num] [num] year [noun] | 17 |
|
| 4 | over [art] [num] [num] year | 5 |
|
