| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] over a [adj] period | 17 |
|
| 2 | that over a [adj] [noun] | 16 |
|
| 3 | that [prep] a [adj] period | 12 |
|
| 4 | that [prep] a [adj] period | 12 |
|
| 5 | that over [art] [adj] period | 8 |
|
| 6 | that over [art] [adj] period | 8 |
|
| 7 | that over a [adj] period | 6 |
|
| 8 | that over a [adj] period | 6 |
|
