| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] | 477770 |
|
| 2 | be [vb pp] be | 4252 |
|
| 3 | [vb pp] be [prep] | 715 |
|
| 4 | be be [prep] | 157 |
|
