| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it is [adv] known [conj] | 20 |
|
| 2 | [coord] it is [not/n't] known [conj] | 15 |
|
| 3 | [coord] it is [adv] known [subord] | 15 |
|
| 4 | [coord] it is not known [conj] | 15 |
|
| 5 | [coord] it is not known [conj] | 15 |
|
| 6 | [coord] it is [adv] known that | 14 |
|
| 7 | [coord] it is [adv] known [that] | 14 |
|
| 8 | [coord] it is [adv] known that | 14 |
|
| 9 | [coord] it is [adv] known [conj] | 14 |
|
| 10 | [coord] it is [adv] known whether | 11 |
|
| 11 | [coord] it is [adv] known whether | 11 |
|
| 12 | and it is [adv] known [conj] | 9 |
|
| 13 | [coord] it is now known [conj] | 5 |
|
| 14 | [coord] it is now known [conj] | 5 |
|
| 15 | [coord] it is well known [conj] | 5 |
|
| 16 | [coord] it is well known [conj] | 5 |
|
