| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] | 477791 |
|
| 2 | to be [vb pp] | 82961 |
|
| 3 | to be [prep] | 9098 |
|
| 4 | to [vb pp] [prep] | 66 |
|
