| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a [noun] | 1114 |
|
| 2 | [noun] [prep] a period | 832 |
|
| 3 | [noun] [prep] a period | 832 |
|
| 4 | [noun] over [art] period | 485 |
|
| 5 | [noun] over [art] period | 485 |
|
| 6 | [noun] over a period | 311 |
|
| 7 | [noun] over a period | 311 |
|
