| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] known [conj] | 149 |
|
| 2 | it is [adv] known [that] | 149 |
|
| 3 | it is [adv] known that | 149 |
|
| 4 | it is [adv] known that | 149 |
|
| 5 | it is well known [conj] | 109 |
|
| 6 | it is well known [conj] | 109 |
|
| 7 | it is not known [conj] | 79 |
|
| 8 | it is [not/n't] known [conj] | 79 |
|
| 9 | it is [adv] known [subord] | 78 |
|
| 10 | it is not known [conj] | 78 |
|
| 11 | it is [adv] known whether | 47 |
|
| 12 | it is [adv] known whether | 47 |
|
| 13 | it is now known [conj] | 20 |
|
| 14 | it is now known [conj] | 20 |
|
| 15 | it is [adv] known if | 17 |
|
| 16 | it is [adv] known if | 17 |
|
| 17 | it is also known [conj] | 10 |
|
| 18 | it is also known [conj] | 10 |
|
| 19 | it is [adv] known when | 9 |
|
| 20 | it is [adv] known when | 9 |
|
| 21 | it is [adv] known where | 5 |
|
| 22 | it is [adv] known where | 5 |
|
