| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] over a [noun sg] | 44 |
|
| 2 | [vb pp] [adv] over a [noun] | 44 |
|
| 3 | [vb pp] [adv] [prep] a period | 39 |
|
| 4 | [verb] [adv] over a period | 34 |
|
| 5 | [vb pp] [adv] over [art] period | 23 |
|
| 6 | [vb pp] [adv] over [art] period | 23 |
|
| 7 | [vb pp] [adv] over a period | 19 |
|
| 8 | [vb pp] [adv] over a period | 19 |
|
