| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it is [adv] known | 27 |
|
| 2 | [coord] it is not known | 24 |
|
| 3 | [coord] it is [not/n't] known | 24 |
|
| 4 | [coord] it is not known | 24 |
|
| 5 | [coord] it is [adv] known | 21 |
|
| 6 | and it is [adv] known | 18 |
|
| 7 | [coord] it is now known | 7 |
|
| 8 | [coord] it is now known | 7 |
|
| 9 | [coord] it is well known | 6 |
|
| 10 | [coord] it is well known | 6 |
|
