| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be well known that [noun prp] | 13 |
|
| 2 | [pers pn] be well known that [noun prp] | 13 |
|
| 3 | it be well known that [noun prp] | 13 |
|
| 4 | [pron] was well known that [noun prp] | 6 |
|
| 5 | [pron] is well known that [noun prp] | 5 |
|
