| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over [adj] period of time | 5 |
|
| 2 | over [art] [adj] period of time | 125 |
|
| 3 | over [art] [adj] period of time | 125 |
|
| 4 | over a [adj] period of time | 123 |
|
| 5 | over a [adj] period of time | 120 |
|
