| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] at [art] | 98 |
|
| 2 | [vb base] been [vb pp] at the | 73 |
|
| 3 | [vb base] been [vb pp] at a | 21 |
|
| 4 | [vb base] been held at [art] | 5 |
|
