| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | within a [noun] | 2777 |
|
| 2 | within a [noun sg] | 2709 |
|
| 3 | [prep] a period | 2139 |
|
| 4 | [prep] a period | 2139 |
|
| 5 | within [art] period | 100 |
|
| 6 | within a period | 50 |
|
| 7 | within a period | 50 |
|
