| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] over a [adj] period | 105 |
|
| 2 | [adj] [noun] over a [adj] period | 86 |
|
| 3 | [adj] [noun sg] over a [adj] period | 65 |
|
| 4 | [adj] [noun pl] over a [adj] period | 45 |
|
| 5 | [adj] [noun] over a long period | 44 |
|
| 6 | [adj] [noun] over a long period | 36 |
|
| 7 | [num] [noun] over a [adj] period | 12 |
|
| 8 | [det] [noun] over a [adj] period | 12 |
|
| 9 | [adj] [noun] over a [adj -er] period | 9 |
|
| 10 | [adj] [noun] over a longer period | 8 |
|
| 11 | [adj] [noun] over a five-year period | 7 |
|
| 12 | [adj] [noun] over a five-year period | 7 |
|
| 13 | [adj] [noun] over a prolonged period | 6 |
|
| 14 | [adj] [noun] over a prolonged period | 6 |
|
| 15 | [adj] time over a [adj] period | 5 |
|
