| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over long period [prep] | 15 |
|
| 2 | [noun sg] over long period [prep] | 7 |
|
| 3 | [noun pl] over long period [prep] | 7 |
|
| 4 | over [art] long period [prep] | 95 |
|
| 5 | over [art] long period [prep] | 95 |
|
| 6 | over a long period [prep] | 93 |
|
| 7 | over a long period [prep] | 93 |
|
| 8 | over long period [prep] [noun] | 20 |
|
| 9 | over long period [prep] time | 19 |
|
| 10 | over long period [prep] [noun sg] | 19 |
|
| 11 | over long period [prep] time | 19 |
|
