| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be known to [be] | 369 |
|
| 2 | be known to be | 369 |
|
| 3 | is known to [be] | 130 |
|
| 4 | are known to [be] | 98 |
|
| 5 | was known to [be] | 73 |
|
| 6 | were known to [be] | 41 |
|
| 7 | been known to [be] | 12 |
|
| 8 | be known to [be] | 9 |
|
