| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | within a [noun] | 2405 |
|
| 2 | within a [noun sg] | 2353 |
|
| 3 | [prep] a period | 2137 |
|
| 4 | within [art] period | 100 |
|
| 5 | within [art] period | 100 |
|
| 6 | within a period | 50 |
|
| 7 | within a period | 50 |
|
