| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] 's known that | 5 |
|
| 2 | [pron] 's known that | 5 |
|
| 3 | it 's known that | 5 |
|
| 4 | it 's known that | 5 |
|
| 5 | 's [adv] known that | 11 |
|
| 6 | 's [adv] known that | 10 |
|
| 7 | 's well known that | 5 |
|
| 8 | 's well known that | 5 |
|
