| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been built [prep] the | 127 |
|
| 2 | have been built up [prep] | 55 |
|
| 3 | have built up [prep] the | 32 |
|
| 4 | been built up [prep] the | 19 |
|
| 5 | have been up [prep] the | 18 |
|
