| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a period | 311 |
|
| 2 | [noun sg] over a period | 180 |
|
| 3 | place over a [noun] | 22 |
|
| 4 | place [prep] a period | 14 |
|
| 5 | place [prep] a period | 14 |
|
| 6 | place over a period | 10 |
|
| 7 | place over [art] period | 9 |
|
| 8 | place over a period | 9 |
|
