| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun] over a [noun] | 141 |
|
| 2 | [noun] [noun] over a [noun sg] | 139 |
|
| 3 | [noun] [noun] [prep] a period | 102 |
|
| 4 | [noun] [noun] [prep] a period | 102 |
|
| 5 | [noun] [noun] over [art] period | 84 |
|
| 6 | [noun] [noun] over [art] period | 84 |
|
| 7 | [noun] [noun] over a period | 40 |
|
| 8 | [noun] [noun] over a period | 40 |
|
| 9 | [noun] [noun] over a period | 40 |
|
