| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at [art] | 720 |
|
| 2 | not [vb pp] at [art] | 162 |
|
| 3 | not been [vb pp] at | 69 |
|
| 4 | not been [vb pp] [art] | 64 |
|
| 5 | not been at [art] | 8 |
|
