| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [adj] [noun] period | 26 |
|
| 2 | [adv] [prep] a [adj] [noun] period | 26 |
|
| 3 | [adv] over a [adj] [noun] [noun] | 22 |
|
| 4 | [adv] over a [adj] [noun] [noun sg] | 22 |
|
| 5 | [adv] over [art] [adj] [noun] period | 17 |
|
| 6 | [adv] over a [adj] [noun] period | 10 |
|
| 7 | [adv] over a [adj] [noun] period | 10 |
|
