| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been buy at | 16 |
|
| 2 | [verb] been bought at | 15 |
|
| 3 | has been buy at | 7 |
|
| 4 | had been buy at | 7 |
|
| 5 | [vb past] been buy at | 7 |
|
| 6 | [vb -s] been buy at | 7 |
|
