| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] down [prep] the | 20 |
|
| 2 | [vb -s] been [vb pp] down [prep] the | 20 |
|
| 3 | [vb -s] been [verb] down to the | 6 |
|
| 4 | [vb -s] been [verb] down by the | 5 |
|
