| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to [be] | 91837 |
|
| 2 | [vb pp] to [be] | 20332 |
|
| 3 | know to [be] | 718 |
|
| 4 | known [prep] [be] | 578 |
|
