| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun pl] over [art] period | 41 |
|
| 2 | [adj] [noun pl] over a period | 26 |
|
| 3 | [adj] [noun pl] over a period | 26 |
|
| 4 | [adj] [noun pl] over the period | 15 |
|
| 5 | [adj] [noun pl] over the period | 15 |
|
