| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at [art] | 720 |
|
| 2 | [vb base] been [vb pp] [art] | 409 |
|
| 3 | [vb base] been [vb pp] at | 342 |
|
| 4 | [vb base] [vb pp] at [art] | 319 |
|
| 5 | [vb base] been at [art] | 64 |
|
