| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period of | 1401 |
|
| 2 | over [art] [adj] period | 81 |
|
| 3 | over [art] [adj] of | 81 |
|
| 4 | over [art] period of | 63 |
|
