| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adv] longer period of | 5 |
|
| 2 | [art] [adv] longer period of | 5 |
|
| 3 | a [adv] longer period of | 5 |
|
| 4 | a [adv] longer period of | 5 |
|
