| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be taken up [prep] the | 9 |
|
| 2 | [vb past] be taken up [prep] the | 9 |
|
| 3 | [vb past] been taken up [prep] the | 9 |
|
| 4 | [vb past] be taken up by the | 6 |
|
