| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been taken up by the | 15 |
|
| 2 | had been taken up [prep] the | 9 |
|
| 3 | have been taken up [prep] the | 7 |
|
| 4 | has been taken up [prep] the | 6 |
|
