| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] be known to [be] | 12 |
|
| 2 | [det] be known to be | 12 |
|
| 3 | [det] be known to be | 12 |
|
| 4 | [det] are known to [be] | 6 |
|
