| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [noun] over a [noun] | 28 |
|
| 2 | [coord] [noun] over a [noun sg] | 25 |
|
| 3 | [coord] [noun] [prep] a period | 22 |
|
| 4 | [coord] [noun] [prep] a period | 22 |
|
| 5 | [coord] [noun] over [art] period | 15 |
|
| 6 | [coord] [noun] over [art] period | 15 |
|
| 7 | [coord] [noun] over a period | 10 |
|
| 8 | [coord] [noun] over a period | 10 |
|
| 9 | [coord] [noun] over a period | 10 |
|
| 10 | [conj] [noun] over a period | 10 |
|
