| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [prep] a [adj] period | 38 |
|
| 2 | [coord] [prep] a [adj] period | 38 |
|
| 3 | [coord] over a [adj] [noun sg] | 34 |
|
| 4 | [coord] over a [adj] [noun] | 34 |
|
| 5 | [conj] over a [adj] period | 15 |
|
| 6 | [coord] over a [adj] period | 11 |
|
| 7 | [coord] over a [adj] period | 10 |
|
| 8 | [coord] over a [adj] period | 10 |
|
| 9 | [coord] over [art] [adj] period | 10 |
|
