| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] period | 2494 |
|
| 2 | a [adj] period | 2283 |
|
| 3 | a reasonable [noun] | 1584 |
|
| 4 | [art] reasonable period | 40 |
|
| 5 | [art] reasonable period | 40 |
|
| 6 | a reasonable period | 40 |
|
| 7 | a reasonable period | 40 |
|
