| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what is [adv] known | 27 |
|
| 2 | [prep] what [is] [adv] known | 27 |
|
| 3 | [prep] what [is] [adv] known | 27 |
|
| 4 | of what [is] [adv] known | 9 |
|
| 5 | [prep] what [is] now known | 7 |
|
| 6 | [prep] what [is] now known | 7 |
|
