| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] at [det] | 27 |
|
| 2 | [vb past] been [vb pp] at [det] | 27 |
|
| 3 | [vb past] [been] [vb pp] at some | 7 |
|
| 4 | [vb past] [been] [vb pp] at all | 7 |
|
| 5 | [vb past] [been] [vb pp] at that | 6 |
|
