| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun sg] over [art] period | 41 |
|
| 2 | [noun sg] [noun sg] over [art] period | 37 |
|
| 3 | [noun] [noun sg] over the period | 24 |
|
| 4 | [noun] [noun sg] over the period | 24 |
|
| 5 | [noun] [noun sg] over a period | 17 |
|
| 6 | [noun] [noun sg] over a period | 17 |
|
| 7 | [noun] rate over [art] period | 5 |
|
