| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun] [prep] the [det] period | 66 |
|
| 2 | [noun] [noun] over the [adj] period | 34 |
|
| 3 | [noun] [noun] over the [det] [noun] | 31 |
|
| 4 | [noun] [noun] over the [det] [noun sg] | 30 |
|
| 5 | [noun] [noun] over the [det] period | 27 |
|
| 6 | [noun] [noun] over the [det] period | 26 |
|
| 7 | [noun] [noun] over [art] [det] period | 26 |
|
| 8 | [noun] [noun] over [art] [det] period | 26 |
|
