| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] longer period [prep] time | 6 |
|
| 2 | over [art] longer period [prep] [noun] | 6 |
|
| 3 | over [art] longer period [prep] [noun sg] | 6 |
|
| 4 | over a longer period [prep] [noun] | 6 |
|
| 5 | over [art] longer period of [noun] | 6 |
|
| 6 | over [art] longer period [prep] time | 6 |
|
| 7 | over a longer period [prep] [noun] | 6 |
|
