| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] longer period of | 24 |
|
| 2 | [art] longer period of | 24 |
|
| 3 | [art] longer period of | 23 |
|
| 4 | a longer period of | 22 |
|
| 5 | a longer period of | 22 |
|
