| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [art] [noun sg] over a period | 11 |
|
| 2 | of [art] [noun sg] over a period | 11 |
|
| 3 | of the [noun sg] over a period | 10 |
|
| 4 | of the [noun sg] over a period | 10 |
|
