| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a [adj] [noun] [prep] | 232 |
|
| 2 | over a [adj] [noun sg] [prep] | 165 |
|
| 3 | [adv] a [adj] period [prep] | 58 |
|
| 4 | over [art] [adj] period [prep] | 22 |
|
| 5 | over a [adj] period [prep] | 21 |
|
