| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun sg] over a [adj] | 214 |
|
| 2 | [noun sg] over a [adj] period | 165 |
|
| 3 | [adj] [noun sg] over a period | 46 |
|
| 4 | [adj] over a [adj] period | 13 |
|
