| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period [prep] [art] | 317 |
|
| 2 | over [art] [adj] period [prep] | 232 |
|
| 3 | over [art] period [prep] [art] | 72 |
|
| 4 | over [art] [adj] [prep] [art] | 19 |
|
| 5 | over [art] [adj] period [art] | 18 |
|
