| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] at [art] | 61 |
|
| 2 | have [been] [vb pp] at the | 46 |
|
| 3 | have [been] [vb pp] at a | 12 |
|
| 4 | have [been] made at [art] | 5 |
|
