| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] at the cost | 8 |
|
| 2 | [verb] been [verb] at the cost | 8 |
|
| 3 | have been [verb] at the cost | 8 |
|
| 4 | [verb] been buy at the cost | 5 |
|
| 5 | [verb] been bought at the cost | 5 |
|
