| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] at [noun sg] [noun] | 10 |
|
| 2 | [vb past] been at [noun sg] [noun] | 10 |
|
| 3 | [vb past] [been] at [noun sg] [noun sg] | 7 |
|
