| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun pl] over [art] period [prep] | 8 |
|
| 2 | of [noun pl] over [art] period of | 8 |
|
| 3 | of [noun pl] over [art] period of | 8 |
|
| 4 | of [noun pl] over a period [prep] | 8 |
|
