| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] over a period of | 49 |
|
| 2 | [prep] [noun] over a period of | 49 |
|
| 3 | in [noun] [prep] a period of | 24 |
|
| 4 | in [noun] [prep] a period of | 24 |
|
| 5 | in [noun] over a [noun] of | 18 |
|
| 6 | in [noun] over a [noun sg] of | 18 |
|
| 7 | in [noun] over [art] period of | 12 |
|
| 8 | in [noun] over [art] period of | 12 |
|
| 9 | in [noun] over a period of | 11 |
|
| 10 | in [noun] over a period [prep] | 11 |
|
| 11 | in [noun] over a period of | 11 |
|
| 12 | in [noun] over a period of | 11 |
|
| 13 | in [noun] over a period of | 11 |
|
| 14 | in [noun] over a period [prep] | 11 |
|
| 15 | in [noun] over a period of | 11 |
|
