| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] over a [noun] | 826 |
|
| 2 | [noun sg] over a [noun sg] | 799 |
|
| 3 | [noun sg] [prep] a period | 558 |
|
| 4 | [noun] over a period | 311 |
|
| 5 | [noun sg] over [art] period | 267 |
|
| 6 | [noun sg] over a period | 180 |
|
