| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] known that | 157 |
|
| 2 | [is] well known that | 114 |
|
| 3 | [is] [adv] well known | 85 |
|
| 4 | [adv] well known that | 19 |
|
