| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] [art] | 859 |
|
| 2 | been [vb pp] at [art] | 720 |
|
| 3 | has been [vb pp] at | 454 |
|
| 4 | has [vb pp] at [art] | 171 |
|
| 5 | has been at [art] | 89 |
|
