| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] over a longer [noun sg] | 11 |
|
| 2 | [vb pp] over a longer [noun] | 11 |
|
| 3 | [vb pp] over a longer period | 10 |
|
| 4 | [vb pp] over a longer period | 10 |
|
