| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] over a [adj] period | 114 |
|
| 2 | [det] [noun] [prep] a [adj] period | 40 |
|
| 3 | [det] [noun] [prep] a [adj] period | 40 |
|
| 4 | [det] [noun] over a [adj] [noun] | 34 |
|
| 5 | [det] [noun] over a [adj] [noun sg] | 31 |
|
| 6 | [det] [noun] over [art] [adj] period | 18 |
|
| 7 | [det] [noun] over [art] [adj] period | 18 |
|
| 8 | [det] [noun] over a [adj] period | 13 |
|
| 9 | [det] [noun] over a [adj] period | 12 |
|
| 10 | [det] [noun] over a [adj] period | 12 |
|
