| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] long period | 42 |
|
| 2 | very long period | 16 |
|
| 3 | very long period | 16 |
|
| 4 | relatively long period | 7 |
|
| 5 | relatively long period | 7 |
|
