| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] over a long [noun] | 37 |
|
| 2 | [verb] over a long [noun sg] | 37 |
|
| 3 | [vb pp] over a long [noun] | 36 |
|
| 4 | [verb] over a long period | 35 |
|
| 5 | [verb] over a long period | 35 |
|
