| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] to be [vb pp] [prep] | 2231 |
|
| 2 | to be [vb pp] [prep] [be] | 251 |
|
| 3 | [vb infin] to be [vb pp] [be] | 13 |
|
