| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] over the period | 8 |
|
| 2 | [adv] over the [adj] period | 10 |
|
| 3 | [adv] over the [adj] period | 7 |
|
| 4 | [adv] over the [noun sg] period | 6 |
|
| 5 | [adv] over the [noun] period | 6 |
|
| 6 | [adv] over the period [prep] | 8 |
|
| 7 | [adv] over the period [prep] | 8 |
|
| 8 | [adv] over the period of | 6 |
|
| 9 | [adv] over the period of | 6 |
|
