| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [art] specified period | 32 |
|
| 2 | [noun] [prep] a specified period | 29 |
|
| 3 | [noun] [prep] a specified period | 29 |
|
| 4 | [noun sg] [prep] [art] specified period | 25 |
|
| 5 | [noun] for [art] specified period | 13 |
|
| 6 | [noun] within [art] specified period | 12 |
|
| 7 | [noun pl] [prep] [art] specified period | 7 |
|
