| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] over a period [prep] | 19 |
|
| 2 | [adj] over a period [prep] | 19 |
|
| 3 | [adj] over a period of | 18 |
|
| 4 | [adj] over a period of | 18 |
|
| 5 | be [adj] over a period | 6 |
|
| 6 | [be] [adj] over a period | 6 |
|
| 7 | [verb] [adj] over a period | 5 |
|
| 8 | [adj] [noun] over a period | 72 |
|
| 9 | [adj] [noun sg] over a period | 46 |
|
| 10 | [adj] [noun pl] over a period | 26 |
|
| 11 | [adj] over a [adj] period | 13 |
|
| 12 | [adj] over a [adj] period | 12 |
|
