| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [be] [verb] that | 228 |
|
| 2 | but it [be] [vb pp] that | 218 |
|
| 3 | [conj] it [be] known that | 85 |
|
| 4 | [coord] it [be] known that | 26 |
|
| 5 | but it [be] known that | 12 |
|
| 6 | but [pers pn] [be] known that | 12 |
|
| 7 | but [pron] [be] known that | 12 |
|
| 8 | but it [be] known that | 12 |
|
| 9 | but it [be] known [conj] | 12 |
|
| 10 | but it [be] know that | 12 |
|
