| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] over a period of | 51 |
|
| 2 | [art] [noun] over a period of | 51 |
|
| 3 | a [noun] over a [noun] of | 37 |
|
| 4 | a [noun] over a [noun sg] of | 35 |
|
| 5 | a [noun] [prep] a period of | 25 |
|
| 6 | a [noun] [prep] a period of | 25 |
|
| 7 | a [noun] over a period of | 11 |
|
| 8 | a [noun] over [art] period of | 9 |
|
| 9 | a [noun] over [art] period of | 9 |
|
| 10 | a [noun] over a period of | 8 |
|
| 11 | a [noun] over a period of | 8 |
|
| 12 | a [noun] over a period [prep] | 8 |
|
| 13 | a [noun] over a period of | 8 |
|
