| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] to [be] [verb] | 70 |
|
| 2 | what [modal v] to [be] [vb pp] | 69 |
|
| 3 | [pron] [modal v] to [be] known | 24 |
|
| 4 | [Wh det] [modal v] to [be] known | 16 |
|
| 5 | what [modal v] [prep] [be] known | 12 |
|
| 6 | what [modal v] to [be] know | 12 |
|
| 7 | what [modal v] [prep] [be] known | 12 |
|
| 8 | what [modal v] to [be] known | 12 |
|
| 9 | what [modal v] to [be] known | 12 |
|
