| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] | 477770 |
|
| 2 | be [vb pp] to | 62721 |
|
| 3 | [vb pp] to [prep] | 2722 |
|
| 4 | be to [prep] | 13 |
|
