| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [adv] | 7335 |
|
| 2 | been [vb pp] at | 1920 |
|
| 3 | [vb pp] at [adv] | 1737 |
|
| 4 | been at [adv] | 102 |
|
