| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a given period | 46 |
|
| 2 | over a given period | 12 |
|
| 3 | for a given period | 10 |
|
| 4 | in a given period | 9 |
|
| 5 | within a given period | 8 |
|
