| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [num] [noun sg] period in | 6 |
|
| 2 | over [art] [adj] [noun sg] period in | 6 |
|
| 3 | over a [adj] [noun sg] period in | 5 |
|
| 4 | over a [adj] [noun sg] period in | 5 |
|
