| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at [art] | 720 |
|
| 2 | have [vb pp] at [art] | 159 |
|
| 3 | have been [vb pp] at | 156 |
|
| 4 | have been [vb pp] [art] | 147 |
|
| 5 | have been at [art] | 37 |
|
