| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] over a long [noun sg] | 11 |
|
| 2 | be [vb pp] over a long [noun] | 11 |
|
| 3 | be [vb pp] over a long period | 10 |
|
| 4 | be [vb pp] over a long period | 10 |
|
| 5 | be [vb pp] over a longer [noun] | 8 |
|
