| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] over [art] period | 41 |
|
| 2 | [adj] over a period | 29 |
|
| 3 | [adj] over [art] period | 28 |
|
| 4 | [adj] over the period | 12 |
|
| 5 | [num] over [art] period | 5 |
|
