| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be well know that | 130 |
|
| 2 | it [be] well known that | 130 |
|
| 3 | it [be] well know that | 130 |
|
| 4 | it [is] well know that | 114 |
|
| 5 | it is well know that | 109 |
|
| 6 | it was well know that | 16 |
|
| 7 | it [was/were] well know that | 16 |
|
| 8 | it 's well know that | 5 |
|
