| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] [adv] [verb] [prep] | 238 |
|
| 2 | what [is] [adv] [vb pp] [prep] | 202 |
|
| 3 | [pron] [is] [adv] known [prep] | 193 |
|
| 4 | [Wh det] [is] [adv] known [prep] | 82 |
|
| 5 | what [be] [adv] known [prep] | 72 |
|
| 6 | what [is] [adv] know [prep] | 40 |
|
| 7 | what [is] [adv] known [prep] | 40 |
|
| 8 | what [is] [adv] known [prep] | 40 |
|
| 9 | what [is] [adv] known [prep] | 40 |
|
