| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it be [adv] known that | 10 |
|
| 2 | but it [be] [adv] known that | 10 |
|
| 3 | but it [be] [adv] known that | 10 |
|
| 4 | but it [is] [adv] known that | 10 |
|
| 5 | but it is [adv] known that | 9 |
|
| 6 | but it [be] now known that | 5 |
|
| 7 | but it [be] now known that | 5 |
|
