| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [adj] period of | 148 |
|
| 2 | [adv] over [art] period of | 68 |
|
| 3 | [adv] [art] [adj] period of | 52 |
|
| 4 | [adv] over [art] [adj] period | 49 |
|
