| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun sg] over a period | 49 |
|
| 2 | the [noun] over a period | 42 |
|
| 3 | a [noun] over a period | 9 |
|
| 4 | [art] [noun pl] over a period | 5 |
|
