| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] over a period | 111 |
|
| 2 | [det] [noun] over a [noun sg] | 54 |
|
| 3 | [det] [noun] over a [noun] | 54 |
|
| 4 | [det] [noun] [prep] a period | 37 |
|
| 5 | [det] [noun] [prep] a period | 37 |
|
| 6 | [det] [noun] over [art] period | 22 |
|
| 7 | [det] [noun] over [art] period | 22 |
|
| 8 | [det] [noun] over a period | 19 |
|
| 9 | [det] [noun] over a period | 19 |
|
| 10 | [det] [noun] over a period | 19 |
|
