| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] at [det] | 39 |
|
| 2 | has [been] [vb pp] at [det] | 35 |
|
| 3 | has [been] [verb] at some | 14 |
|
| 4 | has [been] [verb] at all | 5 |
|
| 5 | has [been] [verb] at this | 5 |
|
