| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] at [art] | 772 |
|
| 2 | [prep] be [vb pp] at [det] | 210 |
|
| 3 | be [vb pp] at [art] [det] | 83 |
|
| 4 | [prep] be [vb pp] [art] [det] | 29 |
|
