| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] over a long [noun sg] | 47 |
|
| 2 | [vb pp] over a long [noun] | 47 |
|
| 3 | [vb pp] over a long period | 44 |
|
| 4 | [vb pp] over a long period | 44 |
|
| 5 | [vb pp] over a long [noun] | 36 |
|
| 6 | [vb pp] over a longer [noun] | 11 |
|
