| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] over a period of | 25 |
|
| 2 | that [prep] a period of | 16 |
|
| 3 | that [prep] a period of | 16 |
|
| 4 | that over a [noun] of | 8 |
|
| 5 | that over a [noun sg] of | 8 |
|
| 6 | that over [art] period of | 7 |
|
| 7 | that over [art] period of | 7 |
|
| 8 | that over a period [prep] | 6 |
|
| 9 | that over a period of | 6 |
|
| 10 | that over a period of | 6 |
|
| 11 | that over a period of | 6 |
|
| 12 | that over a period of | 6 |
|
| 13 | [that] over a period of | 6 |
|
| 14 | that over a period [prep] | 6 |
|
| 15 | that over a period of | 6 |
|
