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