| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] over [art] period | 126 |
|
| 2 | over [art] longer period | 52 |
|
| 3 | [verb] over [art] longer | 14 |
|
| 4 | [verb] [art] longer period | 9 |
|
