| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] placed at the | 10 |
|
| 2 | [verb] [been] placed at the | 10 |
|
| 3 | [vb past] [been] placed at the | 5 |
|
| 4 | had [been] placed at the | 5 |
|
| 5 | [been] placed at the [noun sg] | 11 |
|
| 6 | [been] placed at the [noun] | 11 |
|
