| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at [art] | 15401 |
|
| 2 | [been] [vb pp] [art] | 2718 |
|
| 3 | [been] [vb pp] at | 1920 |
|
| 4 | [been] at [art] | 446 |
|
