| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a [noun sg] [prep] weeks | 22 |
|
| 2 | over a [noun] [prep] weeks | 22 |
|
| 3 | over a [noun] of weeks | 22 |
|
| 4 | over a period [prep] weeks | 19 |
|
| 5 | over a period [prep] weeks | 19 |
|
