| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a [adj] period [prep] | 166 |
|
| 2 | [prep] a [adj] period in | 70 |
|
| 3 | [prep] a [adj] period in | 70 |
|
| 4 | over a [adj] [noun] in | 36 |
|
| 5 | over a [adj] [noun sg] in | 35 |
|
| 6 | over [art] [adj] period in | 10 |
|
| 7 | over [art] [adj] period in | 10 |
|
| 8 | over a [adj] period in | 7 |
|
| 9 | over a [adj] period in | 6 |
|
| 10 | over a [adj] period in | 6 |
|
| 11 | over a [adj] period in | 6 |
|
