| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] over a [adj] period | 172 |
|
| 2 | the [noun sg] over a [adj] | 64 |
|
| 3 | the [noun sg] over a period | 36 |
|
| 4 | the [noun sg] over [adj] period | 7 |
|
