| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] over [art] period | 9 |
|
| 2 | [adv] [vb pp] over [art] period | 9 |
|
| 3 | [adv] [vb pp] over a period | 8 |
|
| 4 | [adv] [vb pp] over a period | 8 |
|
