| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] over a period | 56 |
|
| 2 | in [noun] over a [noun] | 35 |
|
| 3 | in [noun] over a [noun sg] | 34 |
|
| 4 | in [noun] [prep] a period | 28 |
|
| 5 | in [noun] [prep] a period | 28 |
|
| 6 | in [noun] over [art] period | 21 |
|
| 7 | in [noun] over [art] period | 21 |
|
| 8 | in [noun] over a period | 12 |
|
| 9 | in [noun] over a period | 12 |
|
| 10 | in [noun] over a period | 12 |
|
