| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at [art] | 7578 |
|
| 2 | to be [vb pp] at | 1973 |
|
| 3 | to be [vb pp] [art] | 1101 |
|
| 4 | to be at [art] | 306 |
|
