| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be placed at | 39 |
|
| 2 | is placed at | 27 |
|
| 3 | was placed at | 16 |
|
| 4 | were placed at | 14 |
|
| 5 | been placed at | 12 |
|
| 6 | are placed at | 11 |
|
