| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at [art] | 720 |
|
| 2 | not [vb pp] at [art] | 197 |
|
| 3 | not been [vb pp] at | 82 |
|
| 4 | not been [vb pp] [art] | 81 |
|
| 5 | not been at [art] | 11 |
|
