| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | up over a period of [noun] | 7 |
|
| 2 | up over a period [prep] [noun] | 7 |
|
| 3 | up over a period of [noun] | 7 |
|
| 4 | up over a period [prep] [noun] | 7 |
|
| 5 | up over a period [prep] time | 5 |
|
| 6 | up over a period [prep] time | 5 |
|
| 7 | up over a period [prep] [noun sg] | 5 |
|
