| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [adj] period | 860 |
|
| 2 | over [art] [adj] period | 603 |
|
| 3 | [prep] [art] long period | 324 |
|
| 4 | over [art] long [noun] | 255 |
|
| 5 | over [art] long period | 235 |
|
| 6 | over [art] long period | 183 |
|
