| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] over a [adj] period | 27 |
|
| 2 | [num] over [art] [adj] period | 26 |
|
| 3 | [num] over [art] [adj] period | 26 |
|
| 4 | [num] [prep] a [adj] period | 17 |
|
| 5 | [num] [prep] a [adj] period | 17 |
|
| 6 | [num] over a [adj] [noun sg] | 16 |
|
| 7 | [num] over a [adj] [noun] | 16 |
|
| 8 | [num] over a [adj] period | 9 |
|
| 9 | [num] over a [adj] period | 9 |
|
| 10 | [num] over a [adj] period | 9 |
|
