| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [vb pp] [art] | 906 |
|
| 2 | been [vb pp] at [art] | 720 |
|
| 3 | [vb -s] been [vb pp] at | 471 |
|
| 4 | [vb -s] [vb pp] at [art] | 211 |
|
| 5 | [vb -s] been at [art] | 98 |
|
