| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a limited [noun] | 206 |
|
| 2 | [adv] a [adj] period | 138 |
|
| 3 | [adv] a limited period | 5 |
|
| 4 | [adv] [art] limited period | 5 |
|
| 5 | [adv] [art] limited period | 5 |
|
