| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be built up [prep] the | 49 |
|
| 2 | been built up [prep] the | 19 |
|
| 3 | [been] built up [prep] the | 19 |
|
| 4 | [be] built up [prep] the | 9 |
|
| 5 | be built up [prep] the | 9 |
|
| 6 | [be] built up over the | 9 |
|
| 7 | [was/were] built up [prep] the | 8 |
|
| 8 | [am/are] built up [prep] the | 6 |
|
| 9 | [be] built up in the | 6 |
|
| 10 | are built up [prep] the | 6 |
|
| 11 | [be] built up by the | 5 |
|
| 12 | was built up [prep] the | 5 |
|
