| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] up by | 47 |
|
| 2 | have been [verb] up by | 47 |
|
| 3 | have been take up by | 8 |
|
| 4 | have been taken up by | 8 |
|
| 5 | have been set up by | 7 |
|
| 6 | have been set up by | 7 |
|
