| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a long [noun sg] | 272 |
|
| 2 | over a long [noun sg] | 272 |
|
| 3 | over a long period | 232 |
|
| 4 | over a long [noun sg] | 205 |
|
| 5 | over a longer [noun sg] | 67 |
|
| 6 | over a long time | 18 |
|
| 7 | over a long term | 8 |
|
