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