| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] known [conj] [det] | 28 |
|
| 2 | it is [adv] known that [det] | 17 |
|
| 3 | it is [adv] known [that] [det] | 17 |
|
| 4 | it is [adv] known that [det] | 17 |
|
| 5 | it is [adv] known [conj] [det] | 16 |
|
| 6 | it is not known [conj] [det] | 12 |
|
| 7 | it is [not/n't] known [conj] [det] | 12 |
|
| 8 | it is not known [conj] [det] | 12 |
|
| 9 | it is well known [conj] [det] | 11 |
|
| 10 | it is [adv] known [subord] [det] | 11 |
|
| 11 | it is well known [conj] [det] | 11 |
|
| 12 | it is [adv] known whether [det] | 7 |
|
| 13 | it is [adv] known whether [det] | 7 |
|
| 14 | it is [adv] known [conj] any | 7 |
|
| 15 | it is [adv] known [conj] this | 6 |
|
| 16 | it is [adv] known [conj] many | 6 |
|
