| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] at | 747 |
|
| 2 | [vb past] been buy [prep] | 41 |
|
| 3 | [vb past] been buy [prep] | 41 |
|
| 4 | [verb] been buy at | 16 |
|
| 5 | [vb past] been buy at | 7 |
|
| 6 | [vb past] [be] buy at | 7 |
|
| 7 | [vb past] [been] buy at | 7 |
|
| 8 | [vb past] be buy at | 7 |
|
