| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] long period | 93 |
|
| 2 | relatively [adj] period | 78 |
|
| 3 | relatively [adj] period | 78 |
|
| 4 | relatively long [noun] | 44 |
|
| 5 | relatively long period | 13 |
|
