| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] [to-vb] at | 16 |
|
| 2 | [prep] be [vb pp] [to-vb] at | 16 |
|
| 3 | to be [vb pp] [to-vb] at | 16 |
|
| 4 | [prep] be asked [to-vb] at | 5 |
|
