| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been build up [prep] | 37 |
|
| 2 | been build up [prep] the | 29 |
|
| 3 | [vb -s] been build [prep] the | 21 |
|
| 4 | [vb -s] build up [prep] the | 9 |
|
