| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] known that | 149 |
|
| 2 | [pers pn] is [adv] known that | 147 |
|
| 3 | [pers pn] is well known that | 109 |
|
| 4 | [pers pn] is well known that | 109 |
|
| 5 | [pers pn] is now known that | 20 |
|
| 6 | [pers pn] is now known that | 20 |
|
| 7 | [pers pn] is also known that | 10 |
|
| 8 | [pers pn] is also known that | 10 |
|
