| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be built up [prep] the | 49 |
|
| 2 | [vb -s] be built up [prep] | 27 |
|
| 3 | [vb -s] be built [prep] the | 21 |
|
| 4 | [vb -s] built up [prep] the | 9 |
|
| 5 | [vb -s] be up [prep] the | 5 |
|
