| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | place over [art] period of [noun] | 6 |
|
| 2 | place over a period of [noun] | 6 |
|
| 3 | place over a period of [noun] | 6 |
|
| 4 | place over [art] period of [noun] | 6 |
|
| 5 | place over [art] period of [noun] | 5 |
|
