| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] relatively [adj] period [prep] | 40 |
|
| 2 | [art] [adv] long period [prep] | 26 |
|
| 3 | [art] [adv] long period [prep] | 26 |
|
| 4 | [art] relatively long period [prep] | 5 |
|
| 5 | [art] relatively long period [prep] | 5 |
|
| 6 | [art] relatively long [noun] [prep] | 5 |
|
