| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [adj] period from | 12 |
|
| 2 | over [art] [adj] period from | 9 |
|
| 3 | over the [adj] period from | 7 |
|
| 4 | over the [adj] period from | 7 |
|
| 5 | over a [adj] period from | 5 |
|
| 6 | over a [adj] period from | 5 |
|
