| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | build up over a [noun sg] | 9 |
|
| 2 | [vb pp] up over a [noun sg] | 9 |
|
| 3 | built up over a [noun sg] | 8 |
|
| 4 | [verb] up over a period | 7 |
|
