| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] past [num] years | 781 |
|
| 2 | [noun] over [art] past [num] | 519 |
|
| 3 | [noun] over [art] [num] years | 62 |
|
| 4 | [noun] [art] past [num] years | 7 |
|
