| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a long [noun] of [noun sg] | 78 |
|
| 2 | over a long period of [noun sg] | 78 |
|
| 3 | over a long [noun sg] of [noun sg] | 78 |
|
| 4 | over a long period of [noun sg] | 78 |
|
| 5 | over a long [noun] of time | 77 |
|
| 6 | over a long [noun] of [noun sg] | 72 |
|
| 7 | over a longer [noun] of [noun sg] | 6 |
|
