| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] bought at the | 6 |
|
| 2 | have [been] bought at the | 6 |
|
| 3 | [been] bought at the [noun sg] | 6 |
|
| 4 | [been] bought at the [noun] | 6 |
|
| 5 | [been] bought at the cost | 5 |
|
| 6 | [been] bought at the cost | 5 |
|
