| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] been at [art] [noun pl] | 6 |
|
| 2 | [vb past] been [verb] at [art] [noun pl] | 9 |
|
| 3 | [vb past] been [vb pp] at [art] [noun pl] | 6 |
|
