| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over [art] long period | 96 |
|
| 2 | [noun] [noun pl] over [art] period | 38 |
|
| 3 | [noun pl] over [art] long period | 24 |
|
| 4 | [noun] [noun pl] over [art] long | 6 |
|
