| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun sg] over a period | 49 |
|
| 2 | [art] [noun sg] over a period | 49 |
|
| 3 | the [noun sg] over a period | 36 |
|
| 4 | the [noun sg] over a period | 36 |
|
| 5 | a [noun sg] over a period | 12 |
|
| 6 | a [noun sg] over a period | 9 |
|
