| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a short period | 7 |
|
| 2 | [noun sg] over a short period | 5 |
|
| 3 | over a [adv] short period | 7 |
|
| 4 | over a [adv] short period | 7 |
|
| 5 | over a short period [prep] | 8 |
|
| 6 | over a short period [prep] | 8 |
|
| 7 | over a short period of | 7 |
|
| 8 | over a short period of | 7 |
|
