| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | within a [adj] period | 94 |
|
| 2 | within a [adj] period | 93 |
|
| 3 | [prep] a specified period | 48 |
|
| 4 | within a specified [noun] | 41 |
|
| 5 | within [art] specified period | 18 |
|
| 6 | within [art] specified period | 18 |
|
| 7 | within a specified period | 17 |
|
| 8 | within a specified period | 17 |
|
