| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period [prep] | 2199 |
|
| 2 | over [art] [adj] period | 853 |
|
| 3 | over [art] period [prep] | 738 |
|
| 4 | over [art] [adj] [prep] | 57 |
|
| 5 | over [adj] period [prep] | 17 |
|
