| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] over a period [prep] | 52 |
|
| 2 | [art] [noun] over a period [prep] | 52 |
|
| 3 | a [noun] over a [noun] [prep] | 43 |
|
| 4 | a [noun] over a [noun sg] [prep] | 41 |
|
| 5 | a [noun] [prep] a period [prep] | 25 |
|
| 6 | a [noun] [prep] a period [prep] | 25 |
|
| 7 | a [noun] over a period [prep] | 11 |
|
| 8 | a [noun] over [art] period [prep] | 10 |
|
| 9 | a [noun] over [art] period [prep] | 10 |
|
| 10 | a [noun] over a period [prep] | 8 |
|
| 11 | a [noun] over a period [prep] | 8 |
|
| 12 | a [noun] over a period [prep] | 8 |
|
| 13 | a [noun] over a period [prep] | 8 |
|
