| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a long [noun sg] of | 46 |
|
| 2 | [noun] over a long period of | 45 |
|
| 3 | [noun] over a long [noun sg] of | 41 |
|
| 4 | [noun sg] over a long [noun sg] of | 37 |
|
| 5 | [noun pl] over a long [noun sg] of | 8 |
|
| 6 | [noun] over a longer [noun sg] of | 5 |
|
