| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been run down [prep] | 5 |
|
| 2 | had been run down [prep] | 5 |
|
| 3 | have been run down [prep] | 5 |
|
| 4 | [verb] been run down [prep] | 5 |
|
