| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [vb pp] at | 568 |
|
| 2 | [been] [vb pp] at [noun] | 524 |
|
| 3 | [vb past] [been] [vb pp] [noun] | 509 |
|
| 4 | [vb past] [vb pp] at [noun] | 462 |
|
| 5 | [vb past] [been] at [noun] | 166 |
|
