| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] known | 415 |
|
| 2 | it is [adv] known | 264 |
|
| 3 | it is [not/n't] known | 151 |
|
| 4 | it is not known | 151 |
|
| 5 | it is not known | 149 |
|
| 6 | it is well known | 143 |
|
| 7 | it is well known | 139 |
|
| 8 | it is now known | 34 |
|
| 9 | it is now known | 34 |
|
| 10 | it is also known | 30 |
|
| 11 | it is also known | 30 |
|
| 12 | it is often known | 6 |
|
| 13 | it is generally known | 6 |
|
| 14 | it is often known | 6 |
|
| 15 | it is generally known | 6 |
|
| 16 | it is widely known | 5 |
|
| 17 | it is sometimes known | 5 |
|
| 18 | it is widely known | 5 |
|
| 19 | it is sometimes known | 5 |
|
