| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] short period | 94 |
|
| 2 | relatively short period | 40 |
|
| 3 | relatively short period | 40 |
|
| 4 | very short period | 33 |
|
| 5 | very short period | 33 |
|
| 6 | comparatively short period | 6 |
|
| 7 | comparatively short period | 6 |
|
