| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [is] [adv] [verb] that | 54 |
|
| 2 | but it [is] [adv] [vb pp] that | 49 |
|
| 3 | [conj] it [is] [adv] known that | 30 |
|
| 4 | but it [be] [adv] known that | 10 |
|
| 5 | but [pron] [is] [adv] known that | 10 |
|
| 6 | but it [is] [adv] known [conj] | 10 |
|
| 7 | but it [is] [adv] known that | 10 |
|
| 8 | but it [is] [adv] know that | 10 |
|
